Chronology of the Doctor Who universe

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"Doctor Who Chronology" redirects here. For a chronology of the stories as they happen to the Doctor, see Doctor Who story chronology.

Contents

This is a list of the televised stories and episodes of Doctor Who and its spin-offs in the chronological order of dates which might be attributed to them based on information contained in the stories and episodes themselves [nb 1]. The list is intended as an information resource and as an aid to navigating what is a substantial body of work [nb 2]; it is not itself intended as a timeline. Nor is the fact that a story or episode has a date attributed to it in the list intended to imply that it is definitely set on that date; all such attributed dates are possibilities only.[nb 3]

The majority of these stories are part of the main series, Doctor Who, which features a renegade Time Lord, the Doctor, and various travels in the TARDIS, his time machine and spaceship. It features a primary element of time travel, with many stories taking place on disparate attributable dates across a wide span of time in the Whoniverse, the fictional Doctor Who universe. The spin-off series Torchwood occasionally delves into time travel and flashbacks, usually centred around former Doctor Who character Captain Jack Harkness, a time travelling companion of the Doctor originally from the 51st century. The Sarah Jane Adventures features Sarah Jane Smith, another of the Doctor's companions in stories appearing to predominately take place in a contemporary setting. The list also encompasses the singular pilot episode of K-9 and Company, a 1981 spin-off centring on Sarah Jane Smith and her (formerly the Doctor's) robot companion K-9.

The Doctor occasionally regenerates his physical appearance, thereby enabling the character to be played by a new actor. There have been ten incarnations of the Doctor to date, known as the First Doctor, Second Doctor etc, which can be used to separate the series into eras and the column headed 'Doctor' shows in which Doctor's era a given story or episode is from. This column is colour-coded with a separate colour for each Doctor (for the key, see the column entries themselves). The spin-off series are treated as additional eras for entries in this column.

Not all of these stories can have a possible date attributed to them. Some have none; some have more than one, and some have contradictory dating. For example, most of the adventures in Doctor Who pertaining to the fictional UNIT organisation contain information that would attribute various, often contradictory dates between the 1960s to the 1980s to them. Over the long period of production, different writers have suggested different dates on which the stories are set, resulting in some noted controversy over their placement in any timeline, testament to the significance of the series' continuity and chronology within its fandom. Other stories take place on the timeless fictional planet of Gallifrey; stories set there can be attributed to a distinct chronological order but cannot be attributed to any specific date. Similarly, with stories set on other alien worlds, there is often no information enabling any date to be attributed to them.

Many stories and episodes depict or refer to events similar to historical events in real life, or involve characters identifiable as real-life historic individuals, and it is therefore a possibility (but not a certainty) that they have corresponding dating. Similarly, many dates or periods of time are given without specifying the calendar or units of time; but it is therefore possible (though not certain) that the dates are given in the Gregorian calendar and the units of time are those in common, everyday usage in the real world. Finally, when a character gives the date or span of time, it is assumed that they are correct. To minimise duplication, these rationales are not explicitly referred to in the table, but the provisional nature of any attributable dates based on them should be borne in mind.

Early First Doctor stories had titles given to individual episodes (see List of Doctor Who serials). Only the story titles are included here.

[edit] Specific dating

[edit] BC

Story Attributable Date(s) Doctor Year Aired
Castrovalva [xr 1] (Event One) 13.7 or 13.2 billion BC [1] 5th 1982
"The Runaway Bride" [xr 2] (Earth's formation) 4.6 billion BC [2] 10th 2006
City of Death [xr 3] (primeval Earth) (i) between 4.4 and 2.7 billion BC [3] (ii) 400 million BC [4] 4th 1979
The Hand of Fear [xr 4] (opening) c. 150 million BC [5] 1976
Time-Flight [xr 1] (primeval Earth) c. 140 million BC [2] 5th 1982
Earthshock [xr 5] (Adric's death) c. 65.5 million BC [6]
An Unearthly Child [xr 6] (episodes 2-4). (i) 100,000 BC [7] (ii) c 30,000 BC [7] 1st 1963
The Daleks' Master Plan [xr 7] (episodes 9 & 10) between the 27th and 19th Centuries BC [8] 1966
The Time Monster [xr 4] (Atlantis) c. 1500 BC [9] 3rd 1972
The Myth Makers between 1335 and 1134 BC [10] 1st 1965

[edit] 1st & 2nd Millennia (pre 19th Century)

Story Attributable Date(s) Doctor Year Aired
"Exit Wounds" [xr 8] (Jack's burial) 27 [11] TW 2008
The Romans over a month, ending shortly after 18 Jul 64 [12] 1st 1965
"The Fires of Pompeii" 23-24 Aug 79 [2] (final scene, 6 months later [11]) 10th 2008
"The Unicorn and the Wasp" [xr 9] (Charlemagne flashback) between 747 and 814 [13]
The Time Meddler late Summer, 1066 [2], shortly before 20 Sep [14] 1st 1965
The Crusade between 8 Jun 1191 and 2 Sep 1192 [15]
The Time Warrior [xr 10] 13th Century [16] 3rd 1974
The King's Demons c. 4 Mar 1215 [17] 5th 1983
Marco Polo Summer 1289 [18] 1st 1964
The Aztecs (i) spanning a few days [19] after 1430 before 1520 [20]
(ii) ending 17 Jun 1452, 13 Feb 1477 or 8 Aug 1496 [20] [nb 4]
The Masque of Mandragora late 15th Century [2] [nb 5] 4th 1976
City of Death [xr 3] (Da Vinci's workshop) 1505 [18] 1979
The Massacre of St Bartholomew's Eve [xr 11] 5 days [19], ending 24 Aug 1572 [21] 1st 1966
"The Shakespeare Code" 1599 [11] 10th 2007
Silver Nemesis [xr 10] 23 Nov 1638 [2] 7th 1988
The Eternity Trap [xr 12] 1665 [11][nb 6] SJA 2009
The Visitation 3 weeks, ending 2 Sep 1666 [22] 5th 1982
The Smugglers 17th Century [2], after 1670 [23] 1st 1966
"The Girl in the Fireplace" [xr 13] (8 consecutive Reinette scenes) 1st: 1727 [18] or 1728/9, when aged 7 [24]
2nd: months later [18]
3rd/4th: unspecified
5th: when aged 23 [24]
6th/7th: 5 years prior to, and when aged 37 [24]
8th: 1762/3/4/5, when aged 43 [24]		 10th 2006
The Highlanders (i) 1745 [25] (ii) shortly after 16 Apr 1746 [26] [nb 7] 2nd 1967
The Reign of Terror 5 days [19], ending 27 Jul 1794 [27] 1st 1964

For additional events that possibly occur in this period see [nb 8]

[edit] 19th Century

Story Attributable Date(s) Doctor Year Aired
The Mark of the Rani between 1811 and 1817 [29] 6th 1985
"Greeks Bearing Gifts" [xr 14] (soldier and prostitute) 1812 [11] TW 2006
"The Next Doctor" 24 Dec 1851; flashback scenes occur 2 weeks before [18] 10th 2008
"Attack of the Graske" (partly) 25 Dec 1863 [2] 2005
The Evil of the Daleks [xr 15] (episodes 2 to 6) 2 Jun 1866 [18] 2nd 1967
"The Unquiet Dead" Fri, 24 Dec 1869 [30] 9th 2005
The Chase [xr 16] (Marie Celeste) 25 Nov 1872 [31] 1st 1965
"Tooth and Claw" 1879 [2] 10th 2006
The Gunfighters shortly before and up to 26 Oct 1881 [32] 1st 1966
Ghost Light 1883 [33] 7th 1989
"The Unicorn and the Wasp" [xr 9] (Delhi flashback) c. 1886 [34] 10th 2008
Timelash [xr 17] (meeting HG Wells) summer 1885 [2] 6th 1985
"Fragments" [xr 18] (first Jack flashback) between 1892 and 1900 [35] TW 2008
The Talons of Weng-Chiang between 1892 and 22 Jan 1901 [36] 4th 1977

For additional events that possibly occur in this period see [nb 9]

[edit] 20th Century (pre 1960s)

Story Attributable Date(s) Doctor Year Aired
"Exit Wounds" [xr 8] (early Torchwood) 1901 [11] TW 2008
Horror of Fang Rock between 22 Jan 1901 and 22 Aug 1903 [37] 4th 1977
"Small Worlds" [xr 19] (flashback) 1909 [18] TW 2006
Pyramids of Mars [xr 20] 1911 [18] 4th 1975
"Human Nature" & "The Family of Blood" 10 Nov 1913 [38] and at least 2 more days [19]
Penultimate scene: between 4 Aug 1914 and 11 Nov 1918 [39]		 10th 2007
The Daleks' Master Plan [xr 7] (episode 7, partly) between 2 Feb 1914 and 1926 [8] 1st 1966
"To the Last Man" [xr 19] (WWI hospital) 1918 [11], before 11 Nov [40] TW 2008
"From Out of the Rain" [xr 19] (early Carnival) 1920s [41] [nb 10]
"Blink" [xr 21] (Kathy in the past) 5 Dec 1920 [38] 10th 2007
Black Orchid 11 Jun 1925 [2] 5th 1982
"The Unicorn and the Wasp" [xr 9] spanning 10 days in 1926, either Summer or 8-17 Dec [34] 10th 2008
The Abominable Snowmen 1930 or 1935 [42] 2nd 1967
"Daleks in Manhattan" & "Evolution of the Daleks" c. 1 Nov 1930 [43] 10th 2007
"Captain Jack Harkness" [xr 19] (WWII dance) 20 Jan 1941 [44] TW
"The Empty Child" & "The Doctor Dances" 1941 [4], between 20 Jan and 10 May [44] 9th 2005
The Curse of Fenric 1943 [45] 7th 1989
The Temptation of Sarah Jane Smith [xr 19] (Foxgrove) 18 Aug 1951 [38] SJA 2008
"The Idiot's Lantern" 1-2 Jun 1953 [46] 10th 2006
Delta and the Bannermen 1959 [18][47], Wed & Thu, c. 7 Mar [47] 7th 1987

For additional events that possibly occur in this period see [nb 11]

[edit] 1960s

Story Attributable Date(s) Doctor Year Aired
The Massacre of St Bartholomew's Eve [xr 11] (ending) between Jun 1961 and 8 Oct 1965 [49][nb 12] 1st 1966
An Unearthly Child [xr 6] (episode 1) Tue [50], 1963 [4] (also, see next entry) 1963
Remembrance of the Daleks [xr 22] Nov 1963, before the 22nd and shortly after previous entry [51] 7th 1988
Whatever Happened to Sarah Jane? [xr 23] (Maria in the past) 13 Jul 1964 [18] SJA 2007
Children of Earth [xr 24] (first 456 encounter) 1965 [11] TW 2009
The Chase [xr 16] (Ian and Barbara's return, Empire State Building) 1965, 1966 [31] 1st 1965
The Daleks' Master Plan [xr 7] (episode 8, partly) 1 Jan [52] 1966 [18] 1966
The War Machines Thu-Fri, 12-13 Jul and (final scene) 20 Jul 1966 [53]
The Faceless Ones, The Evil of the Daleks [xr 15] (episode 1) [nb 14] 20 Jul [2] 1966 [18] 2nd 1967
Fury from the Deep between 1967 and 15 Feb 1971 [54] 1968
The Underwater Menace between c. 1968 and early 2010s [55] 1967
"Blink" [xr 21] (Billy in the past) 1969 [2], before 20 Jul [56] 10th 2007

For additional events that possibly occur in this period see [nb 15]

[edit] 1970s and 1980s

Many stories airing between 1968 and 1989 revolved around UNIT (marked [nb 16] ). Their dating has been a highly discussed issue for decades (see UNIT dating controversy). Though various (often contradictory) dates can be attributed to some, there is no unambiguous evidence as to when they took place. (In "The Sontaran Stratagem" the Tenth Doctor tells Donna Noble that he worked for UNIT "in the Seventies...or was it the Eighties?", a direct reference to the controversy.) Dates in the table are possibilities and should be regarded as an indication of the boundaries of the controversy, not statements of its correct resolution. (Where there are multiple possibilities for an individual story, it has normally been placed in accordance with the earliest.)

Story Attributable Date(s) Doctor Year Aired
The Web of Fear after 1970 or after 1975 [58] (though see Invasion of the Dinosaurs) and years before Inferno [59] 2nd 1968
The Invasion [nb 16] 4 years after previous entry [60]
Spearhead from Space, Doctor Who and the Silurians, The Ambassadors of Death, Inferno [xr 25] (all [nb 16] ) consecutive and between previous and next entries [61][62]
Inferno only: years after The Web of Fear [59]
Mind of Evil only: before 9 Sep 1976 [63]
Daemons only: 30 Apr-1 May [64]
Daleks only: 13 Sep [18]
Time Monster only: c. 29 Sep [65]
Three Doctors only: years after The Invasion [66]
Green Death only: the 5th; Mon 28 May; a leap year [67]		 3rd [nb 17] 1970
Terror of the Autons, The Mind of Evil, The Claws of Axos, Colony in Space [xr 26] (opening), The Dæmons (all [nb 16] ) 1971
Day of the Daleks [xr 27], The Sea Devils, The Time Monster [xr 4] (all [nb 16] ) 1972
The Three Doctors [xr 28], The Green Death, The Time Warrior [xr 10] (research centre) (all [nb 16] ) 1973
Invasion of the Dinosaurs [nb 16] (i) after 31 Jul 1973 and before 1 May 1979 [48]
(ii) between 20 Apr 1974 and 19 May 1975 [48]		 1974
Planet of the Spiders [nb 16] immediately consecutive, after 31 Jul 1973 and previous entry, and shortly before and after 4 Apr [68]
Robot [nb 16] 4th 1974-75
Image of the Fendahl 31 Jul, between 1975 and 1987 [69] 1977
The Hand of Fear [xr 4] after 31 Jul 1975 and before "A Girl's Best Friend" [70] 1976
Terror of the Zygons, The Android Invasion (both [nb 16] ) consecutive, after Robot [61], before 1977 and next entry [71]
Android and Seeds only: 1980 or later [72]		 1975
The Seeds of Doom [nb 16] 1976
Mawdryn Undead 7 Jun 1977 and 1983, before 7 Jun [73][nb 18] 5th 1983
City of Death [xr 3] (Paris) 1979 [2] 4th 1979
Logopolis 28 Feb 1981 [74], after The Keeper of Traken [75] 1981
"A Girl's Best Friend" Fri, 18 to 22 Dec 1981; opening scenes on or before 5 Dec; epilogue 25 Dec [76] K-9
The Five Doctors [xr 29] (UNIT and 2 Sarah Jane scenes) after Mawdryn Undead and previous entry [77] 5th [nb 17] 1983
The Awakening, Resurrection of the Daleks [xr 30] (Docklands) 1984 [2][nb 19] 1984
Planet of Fire Summer, c. 1985 [78]
Attack of the Cybermen 1985 [2][nb 19] 6th 1985
The Tenth Planet Dec 1986 [79] 1st 1966
"Father's Day" 7 Nov 1987 [18] 9th 2005
Silver Nemesis [xr 10] 23 Nov 1988 [80] 7th 1988

For additional events that possibly occur in this period see [nb 20]

[edit] 1990s

Story Attributable Date(s) Doctor Year Aired
The Chase [xr 16] (Festival of Ghana) 1996 [31] 1st 1965
Doctor Who (1996 film) 30 Dec 1999 - 1 Jan 2000 [18] 7th 1996
8th
"Fragments" [xr 18] (second Jack flashback) 31 Dec 1999 - 1 Jan 2000 [18] TW 2008

For additional events that possibly occur in this period see [nb 21]

[edit] 2000s

Story Attributable Date(s) Doctor Year Aired
"Fragments" [xr 18] (Tosh and Owen flashbacks) (i) commencing 5 and 4 years before "Fragments" [11]
(ii) commencing Spring 2004 and Spring 2005 [84]
(iii) before 2 weeks before "Aliens of London" [84]		 TW 2008
"Rose", "Aliens of London" & "World War Three", "Boom Town" 5-6 Mar 2005 [85], 1 year later [85], a further 6 months later [11] 9th 2005
"The Parting of the Ways" [xr 31] between previous and next entries [86]
"The Christmas Invasion" (i) 24-25 Dec [18]
(ii) 1 and 2 years before "The Runaway Bride" and "Voyage of the Damned" [87]
(iii) 2006 [88]		 10th
"New Earth" (teaser), "School Reunion", "The Age of Steel" (ending) and "Love & Monsters" (for L&M flashbacks, see [89]) (i) consecutive, between previous entry (SR more than a week after) and "Doomsday" [90]
(ii) L&M only: Mar-Apr [90]		 2006
"Blink" [xr 21] 2007 [18] and (final scene) 1 year later [11][nb 22] 2007
"Turn Left" (left/right choice scenes, left version) 6 months before "The Runaway Bride" and four dates between [91] 2008
"The Runaway Bride" [xr 2] (flashbacks) 2006
"Army of Ghosts" & "Doomsday" after "Love & Monsters", before "The Runaway Bride" and "Everything Changes" [92]
"Fragments" [xr 18] (Ianto flashback) between previous and next entries [93] TW 2008
"Everything Changes", "Day One", "Ghost Machine", "Cyberwoman", "Small Worlds" [xr 19], "Countrycide", "Greeks Bearing Gifts" [xr 14], "They Keep Killing Suzie", "Random Shoes", "Out of Time", "Combat" consecutive, after "Doomsday", before "Captain Jack Harkness", with "Changes" to "Suzie" spanning 3 months [61][94]
"Out of Time" only: 17-24 Dec [94]		 2006
"The Runaway Bride" [xr 2] (i) 24 Dec [18], 1 year after "The Christmas Invasion" [87]
(ii) 2007 [95] [nb 23]		 10th
"Adrift" (teaser) between 19 Feb and 16 Jun 2008, 7 months 11 days before "Adrift" [96] TW 2008
"Captain Jack Harkness" [xr 19], "End of Days" immediately consecutive, between previous entry and "The Sound of Drums" [97] [nb 24] 2007
"Utopia" (teaser) 10th
"Smith and Jones", "The Lazarus Experiment", "42" (Francine's scenes) 5, 4 and 1 days before next entry [98]
"The Sound of Drums" (i) spanning 2 days [19], more than 18 months since "The Christmas Invasion" and less than 18 months since "Love and Monsters" [99]
(ii) between (a) 25 Jun 2008 and Sep/Oct 2008, or (b) 2 Nov and 20 Jan [99] [nb 23]
"Last of the Time Lords" (final Valiant scenes and Jack's departure) (i) consecutive, before "Reset" [61][100]
(ii) Valiant scenes contemporaneous with 2nd day of previous entry [19]
(iii) "Last Man" only: Fri, 20 & Sat, 21, c. 12 months from "Everything Changes" [101] [nb 25]
"Kiss Kiss, Bang Bang", "Sleeper", "To the Last Man" [xr 19], "Meat", "Adam" TW 2008
"Invasion of the Bane", Revenge of the Slitheen, Eye of the Gorgon, Warriors of Kudlak, Whatever Happened to Sarah Jane? [xr 23], The Lost Boy (i) consecutive [61][102], spanning 2–5 months, starting over 18 months after "School Reunion" [103]
(ii) commencing (a) Oct 31 or 10 Jan (b) Sep or Jan (c) 2008 or a later year (d) before 23 Jan 2008 [104]
(iii) Mr Smith's origin scenes in The Lost Boy: 18 months prior [18]		 SJA 2007
"Last of the Time Lords" (Martha’s departure) Oct/Nov [105] 2008 10th
"Reset", "Dead Man Walking", "A Day in the Death", "Something Borrowed", "From Out of the Rain" [xr 19] (i) consecutive, after previous entry and "Adam", before "Adrift" [61][106][nb 26]
(ii) "Reset" only: between (a) 11 Jan 2007 and 10 Jan 2008 or (b) 14 Feb 2007 and 13 Feb 2008 [107]
(iii) "Death" only: 3 days after "Reset" [108]		 TW 2008
"Adrift" starting between 1 Oct 2008 and 27 Jan 2009, ending on or before 21 Feb 2009; and 7 months 11 days after the teaser [96]
"Voyage of the Damned" (i) 24-25 Dec [2], 2 years after "The Christmas Invasion" [87]
(ii) 2008 [95][nb 23]		 10th 2007
"Partners in Crime", "The Sontaran Stratagem" & "The Poison Sky", "The Doctor's Daughter" (Martha's departure) consecutive, after previous entry, with a few days between "Crime" and "Stratagem" [109] [nb 23] 2008
"Fragments" [xr 18], "Exit Wounds" [xr 8] (i) immediately consecutive [19], after "Adrift" [110] and 21 months after "Fragments" (Ianto flashback) [11]
(ii) 2008 or Spring 2009 [111]		 TW
"The Stolen Earth" & "Journey's End" Sat [18] and Sun [19] after previous entry, "The Poison Sky" and (but within a year of) Revenge of the Slitheen, but before next entry and Children of Earth [112][nb 27] 10th
The Last Sontaran, The Day of the Clown, Secrets of the Stars, The Mark of the Berserker, The Temptation of Sarah Jane Smith [xr 19], Enemy of the Bane consecutive, after The Lost Boy and previous entry [61][113]
Sontaran final scenes - 6 weeks later [11]
Clown only: c. 9 Oct [114]
Berserker only: within 3 years of Revenge of the Slitheen [115]
Judoon only: a Sun [18], between 1 Oct 2008 and 30 Sep 2009 [116]
Wedding only: spans 2 weeks and 5 days [11]		 SJA
"From Raxacoricofallapatorius with Love", Prisoner of the Judoon, The Mad Woman in the Attic [xr 32], The Wedding of Sarah Jane Smith, The Eternity Trap [xr 12] 2009
"Planet of the Dead" Easter [2]/Apr [18], after "Journey's End" [117], 2009 or a later year [118][nb 27] 10th
Children of Earth [xr 24] Mon-Fri or Tue-Sat, Sep 2009 [119] (final scenes 6 months later [11]) TW

[edit] 21st Century (post 2000s)

Story Attributable Date(s) Doctor Year Aired
"Dalek" 2012 [2] 9th 2005
"The Long Game" (Adam's departure) after "Dalek" [120]
"Fear Her" 27 Jul 2012 [121] 10th 2006
The Wheel in Space between c. 2019 and c. 2121 [122] 2nd 1968
The Mad Woman in the Attic [xr 32] (old Rani, 2nd version) 2059 [11][18] SJA 2009
"The Waters of Mars" 2059 [123] 10th
The Moonbase 2070 [18] 2nd 1967
The Seeds of Death 21st century, after The Moonbase [124] 1969
Warriors of the Deep c. 2084 [2] 5th 1984

[edit] 3rd Millennium (post 21st Century)

Story Attributable Date(s) Doctor Year Aired
Paradise Towers 22nd century, or later [125] 7th 1987
Nightmare of Eden 2116 [126] 4th 1979
The Dalek Invasion of Earth 2164, or later [127] 1st 1964
Vengeance on Varos c. late 23rd Century [128] 6th 1985
The Leisure Hive c. 2290 [129] 4th 1980
The Androids of Tara c. late 24th Century [130] 1978
The Trial of a Time Lord (episodes 5-8 [nb 28] ) 2379 [131][nb 29] 6th 1986
Colony in Space [xr 26] 3 Mar 2472 [132] 3rd 1971
The Tomb of the Cybermen [xr 33] c. 2486 [133] 2nd 1967
The Rescue 2493, or shortly after [134] 1st 1965
Frontier in Space, Planet of the Daleks [xr 34] 26th Century [2][nb 30] (FiS) [135] (PotD) 3rd 1973
Earthshock [xr 5] 2526 [18] 5th 1982
The Sensorites 28th century [18] 1st 1964
The Mutants 30th century [2] 3rd 1972
The Trial of a Time Lord (episodes 9-12 [nb 28] ) 2986 [2], possibly 13 Jun [136] 6th 1986

For additional events that possibly occur in this period see [nb 13]

[edit] Thousands (post 3rd Millennium)

Story Attributable Date(s) Doctor Year Aired
The Tomb of the Cybermen [xr 33] c. 3026 or later [133] 2nd 1967
The Infinite Quest 40th century [2] 10th 2007
"The Impossible Planet" & "The Satan Pit" between 3926 and 4126 [137] 2006
Mission to the Unknown shortly before next entry [138] 1st 1965
The Daleks' Master Plan [xr 7] (episodes 1-6, 11-12) 4000 [18] 1965-66
"Planet of the Ood" 4126 [2] 10th 2008
The Invisible Enemy c. 5000 [2] 4th 1977
"The Girl in the Fireplace" [xr 13] (spaceship) 51st century [2] 10th 2006
"Silence in the Library" & "Forest of the Dead" 2008
"Adam", "Exit Wounds" [xr 8] (both Jack's childhood) 51st century, before 5094 [139] TW
"The Doctor's Daughter" 24 Jul 6012 [140] 10th

[edit] Tens and Hundreds of Thousands

Story Attributable Date(s) Doctor Year Aired
Revenge of the Cybermen thousands of years before next entry [141] 4th 1975
The Ark in Space, The Sontaran Experiment between c. 12,900 and c. 15,000 [142][nb 31]
Planet of Evil c. 32,000 [143]
"The Long Game" 200,000 [2] 9th 2005
"Bad Wolf" & "The Parting of the Ways" [xr 31] 200,100 [2]

[edit] Millions, Billions and Trillions

Story Attributable Date(s) Doctor Year Aired
The Daleks c. 1,002,164 [144] 1st 1963
Planet of the Daleks [xr 34] generations after The Daleks [145] 3rd 1973
The Trial of a Time Lord (episodes 1-4 [nb 28] ) c. 2,002,000 or later [146] 6th 1986
The Ark c. 10,000,000 [2] and then 700 years later [18] 1st 1966
Frontios at least 40 years after The Ark [147] 5th 1984
"The End of the World" [xr 35] (i) 5,000,000,000, before "New Earth" [148] (ii) c. 5,000,002,005 [148] 9th 2005
"New Earth" 5,000,000,023 [2] 10th 2006
"Gridlock" 5,000,000,053 [2] 2007
"Utopia" 100,000,000,000,000 [2]

[edit] Negated timelines and parallel universes

[edit] Negated timelines

Some stories depict events occurring in a timeline which is specifically stated to have been negated. Though dates can be attributed to those events, they have presumably in some sense not occurred at all.

Story Attributable Date(s) Doctor Year Aired
Whatever Happened to Sarah Jane? [xr 23] (Trickster and teenage Anthea) contemporaneous with 1960s entry [19] SJA 2007
Pyramids of Mars [xr 20] (destroyed Earth) 1980 [2] 4th 1975
"Turn Left" (5 successive time periods) right version of left/right choice: Jun 2007 [149]
Christmas star: 24 Dec 2007 [150]
Donna's dismissal: months later; between Jun and Nov 2008 [151]
Christmas prize: 24-25 Dec 2008 [152]
Leeds and Tardis scenes: over 3 months later, spanning at least 3 weeks [153]		 10th 2008
"Last of the Time Lords" 1 year after "The Sound of Drums" [11] 2007
Whatever Happened to Sarah Jane? [xr 23] (altered present) contemporaneous with 2000s entries [19] SJA
The Temptation of Sarah Jane Smith (altered present) 2008
The Mad Woman in the Attic [xr 32] (old Rani, 1st version) 2059 [11][18] 2009
Day of the Daleks [xr 27] 22nd Century [18] 3rd 1972

[edit] Parallel universes

Some stories depict events occurring in what is specifically stated to be a different, parallel universe.

Story Attributable Date(s) Doctor Year Aired
Inferno [xr 25] contemporaneous with 1970s entry [2] 3rd 1970
"Rise of the Cybermen" & "The Age of Steel" 1 Feb 2007 [154] 10th 2006
"Doomsday" (partly) 2010 [155]
"Journey's End" (Dårlig Ulv Stranden) after previous entry [156] 2008

[edit] Vague or no specific dates

[edit] Undated stories and episodes

Many of the stories do not give sufficient information to determine possible dates at which they might be set, though they can often be seen to be set in a contemporary period or at some future time.

Contemporary Future Unknown Doctor Year Aired
Planet of Giants The Keys of Marinus 1st 1964
The Web Planet [157], The Chase [xr 16] (Mechanus) [31] Galaxy 4, The Space Museum, The Chase [xr 16] (Aridius scenes) 1965
The Daleks' Master Plan [xr 7] (partly, twice - 1st occurrence at Christmas) The Daleks' Master Plan [xr 7] (parts of episodes 8 & 10), The Celestial Toymaker 1966
The Power of the Daleks [158], The Savages [158] 2nd
The Macra Terror [158][159], The Ice Warriors [160], The Enemy of the World [160][nb 32] 1967
The Dominators, The Mind Robber 1968
The Space Pirates [161] The Krotons, The War Games (episodes 1-9) 1969
The Curse of Peladon [162] 3rd 1972
Carnival of Monsters 1973
Death to the Daleks [163], The Monster of Peladon (50 years after The Curse of Peladon) [162] 1974
Genesis of the Daleks (millennia before Destiny of the Daleks [164] ) 4th 1975
The Brain of Morbius [165] 1976
The Face of Evil [158], The Sun Makers [158] The Robots of Death 1977
The Stones of Blood [166] The Ribos Operation [167] Underworld, The Pirate Planet 1978
Destiny of the Daleks (millennia after Genesis of the Daleks, 90 years before Resurrection of the Daleks [164] ) The Armageddon Factor, The Creature from the Pit 1979
Meglos [168] State of Decay [169] The Horns of Nimon, Full Circle 1980
The Keeper of Traken (before Logopolis [75] ) Warriors' Gate 1981
Four to Doomsday [170], Time-Flight [xr 1] (Heathrow Airport) Kinda [163] Castrovalva [xr 1] 5th 1982
Arc of Infinity (Amsterdam) (after Time-Flight (Heathrow Airport) [171] ) Snakedance, Terminus, Enlightenment, The Five Doctors [xr 29] (First & Fourth Doctors and Eye of Orion scenes) 1983
Resurrection of the Daleks [xr 30] (Davros in prison)(90 years after Destiny of the Daleks) [164][172] The Caves of Androzani 1984
The Twin Dilemma (a century year [173] ) [nb 33] 6th
The Two Doctors Timelash [xr 17][174], Revelation of the Daleks (after Resurrection of the Daleks) [164] 1985
Time and the Rani, Dragonfire 7th 1987
The Happiness Patrol [158] The Greatest Show in the Galaxy 1988
Battlefield [nb 16][175], Survival [176] 1989
"The End of the World" [xr 35] (Jackie's phone call and ending [177] ) 9th 2005
"42" [178] 10th 2007
"Midnight" [179] "Turn Left" (fortune-teller) 2008

[edit] Inside the TARDIS

The TARDIS's nature as a time travel machine makes it impossible to place adventures set solely in the ship to a specific date and locale. However, most of the adventures occur while the ship is in transit between two specifically mentioned locations.

Story In transit from Travelling towards Doctor Year Aired
The Edge of Destruction Skaro Big Bang, later 1289 1st 1964
"The End of the World" [xr 35] 6 Mar 2005 5,000,000,000 via 2105 and 12005 [180] 9th 2005
"Children in Need special" (aka "Born Again" [181] ) 200,100 5006, later to Christmas 2006 [2] 10th [nb 17]
"Time Crash" 2008 [182] Christmas 2008 [182] 2007
"Music of the Spheres" 2009 Christmas 1851 2008

[edit] Gallifrey adventures

The time period in which these adventures take place is not specifically stated. [nb 34]

Story Doctor Year Aired
The War Games (episode 10) 2nd 1969
Colony in Space [xr 26] (opening) 3rd [nb 17] 1971
The Three Doctors [xr 28] 1973
The Deadly Assassin 4th 1976
The Invasion of Time 1978
Arc of Infinity (partly), The Five Doctors [xr 29] (after Arc of Infinity [183] ) 5th [nb 17] 1983
The Trial of a Time Lord (trial scenes and episodes 13-14 [nb 28] ) 6th 1986
"The Sound of Drums" (flashback) 10th 2007

[edit] See also

[edit] Notes and references

Internal cross-references
  1. ^ a b c d This story has entries in the 'BC' and 'Undated stories and episodes' sections.
  2. ^ a b c This episode has entries in the 'BC' and twice in the '2000s' section.
  3. ^ a b c This story has entries in the 'BC', '1st & 2nd Millennia (pre 19th Century)' and '1970s and 1980s' sections.
  4. ^ a b c d This story has entries in the 'BC' and '1970s and 1980s' sections.
  5. ^ a b This story has entries in the 'BC' and '3rd Millennium (post 21st Century)' sections.
  6. ^ a b This story has entries in the 'BC' and '1960s' sections.
  7. ^ a b c d e f This story has entries in the 'BC', '20th Century (pre 1960s)', '1960s', 'Thousands (post 3rd Millennium)' and twice in the 'Undated stories and episodes' sections.
  8. ^ a b c d This episode has entries in the '1st & 2nd Millennia (pre 19th Century)', '20th Century (pre 1960s)', '2000s' and 'Thousands (post 3rd Millennium)' sections.
  9. ^ a b c This episode has entries in the '1st & 2nd Millennia (pre 19th Century)', '19th Century' and '20th Century (pre 1960s)' sections.
  10. ^ a b c d This story has entries in the '1st & 2nd Millennia (pre 19th Century)' and '1970s and 1980s' sections.
  11. ^ a b This story has entries in the '1st & 2nd Millennia (pre 19th Century)' and '1960s' sections.
  12. ^ a b This story has entries in the '1st & 2nd Millennia (pre 19th Century)' and '2000s' sections.
  13. ^ a b This episode has entries in the '1st & 2nd Millennia (pre 19th Century)' and 'Thousands (post 3rd Millennium)' sections.
  14. ^ a b This episode has entries in the '19th Century' and '2000s' sections.
  15. ^ a b This story has entries in the '19th Century' and '1960s' sections.
  16. ^ a b c d e This story has entries in the '19th Century', '1960s', '1990s' and twice in the 'Undated stories and episodes' sections.
  17. ^ a b This story has entries in the '19th Century' and 'Undated stories and episodes' sections.
  18. ^ a b c d e This episode has entries in the '19th Century', '1990s' and three times in the '2000s' sections.
  19. ^ a b c d e f g h i j This episode has entries in the '20th Century (pre 1960s)' and '2000s' sections.
  20. ^ a b This story has entries in the '20th Century (pre 1960s)' and 'Negated timelines' sections.
  21. ^ For Skaro's destruction see [nb 8][nb 13].
  22. ^ a b c d This story has entries in the '1960s', '2000s' and twice in the 'Negated timelines' sections.
  23. ^ a b This story has entries in the '1960s' and '2000s' sections.
  24. ^ a b This story has entries in the '1970s and 1980s' and 'Parallel universes' sections.
  25. ^ a b c This story has entries in the '1970s and 1980s', '3rd Millennium (post 21st Century)' and 'Gallifrey adventures' sections.
  26. ^ a b This story has entries in the '1970s and 1980s' and 'Negated timelines' sections.
  27. ^ a b This story has entries in the '1970s and 1980s' and 'Gallifrey adventures' sections.
  28. ^ a b c This story has entries in the '1970s and 1980s', 'Undated stories and episodes' and 'Gallifrey adventures' sections.
  29. ^ a b This story has entries in the '1970s and 1980s' and 'Undated stories and episodes' sections.
  30. ^ a b This episode has entries in the '2000s' and 'Tens and Hundreds of Thousands' sections.
  31. ^ a b c This story has entries in the '2000s', '21st Century (post 2000s)' and 'Negated timelines' sections.
  32. ^ a b This story has alternative attributable dates in the '3rd Millennnium (post 21st Century)' and 'Thousands (post 3rd Millennium)' sections, see which for details.
  33. ^ a b Planet of the Daleks has alternative attributable dates in the '3rd Millennium (post 21st Century)' and 'Millions, Billions and Trillions' sections, see which for details.
  34. ^ a b c This episode has entries in the 'Millions, Billions and Trillions', 'Inside the Tardis' and 'Undated stories and episodes' sections.
Notes
  1. ^ Dates derivable from other media are occasionally mentioned in the footnotes.
  2. ^ "...I just wanted to double-check that I'm not going to say anything that contradicts something; so I went and looked back and there's a whole kind of timeline of everywhere he's been; and, and I looked, and it was, oh, he was actually in Rome" - James Moran, writer of "Fires of Pompeii", interviewed in the What Has 'The Romans' Ever Done For Us? documentary extra on The Romans DVD.
  3. ^ This also applies to any dates given in the footnotes or references.
  4. ^ The novelisation gives the date as 1507 (though there was no solar eclipse visible from Mexico that year).
  5. ^ The novelisation gives the date as 1492.
  6. ^ Possibly set later rather than earlier in the year, as the portrait of Lord Marchwood and his children is itself dated to 1665.
  7. ^ The Info Text on the DVD of The War Games speculates that Jamie was confused as to the date by having shortly beforehand met a British soldier also involved in the Jacobite rising who said he had been taken from 1745.
  8. ^ a b Skaro's destruction by the Hand of Omega c. 963 (one of two alternative dates) [28].
  9. ^ The Torchwood Institute is founded by Queen Victoria in 1879 (shown in "Tooth and Claw"). A branch in Cardiff is formed by the century's end (shown in "Fragments").
    Captain Jack Harkness discovers he is immortal in 1892 (as he relates to the Doctor in "Utopia").
  10. ^ A young girl is given a carnival ticket. A ticket shown on the Torchwood website gives the date as 8 Mar 1925, but this does not appear on screen.
  11. ^ Ben Jackson and Polly both born 1942 (according to the novel The Murder Game).
    Sarah Jane Smith born between 20 Apr and 20 May 1951 (see [48] ).
    Pilot Diane Holmes and her passengers Emma-Louise Cowell and John Ellis disappear aboard Holmes' twin-prop Sky Gypsy on 18 Dec 1953, and are assumed to have drowned at sea - only to reappear over fifty years later at the start of "Out of Time".
    Pete Tyler born 15 Sep 1954 (as stated by Rose Tyler in "Father's Day").
  12. ^ The novel Salvation gives the date as Fri 26 Mar 1965.
  13. ^ a b Skaro's destruction by the Hand of Omega c. 2963 (one of two alternative dates).[28]
  14. ^ The Evil of the Daleks starts directly on from The Faceless Ones, to which episode the dates given refer.
  15. ^ Tegan Jovanka born 22 Sep 1960 (according to the Big Finish audio adventure "The Gathering").
    Peri Brown born 15 Nov, early 1960s [57]
    Sarah Jane Smith's home village of Foxgrove demolished 1964 (as detailed by Mr Smith in The Temptation of Sarah Jane Smith).
    Melanie Bush born 22 Jul 1964 (according to the novel Business Unusual).
  16. ^ a b c d e f g h i j k l This story involves UNIT and aired between 1968 and 1989. Reference should be made to the UNIT dating controversy.
  17. ^ a b c d e Earlier incarnations of the Doctor have occasionally appeared with the then incarnation in later stories. The First and Second Doctors appeared in the Third Doctor story, The Three Doctors; the First, Second, Third and Fourth appeared in the Fifth Doctor story, The Five Doctors; the Second appeared in the Sixth Doctor story, The Two Doctors; and the Fifth appeared in the Tenth Doctor mini-episode, "Time Crash".
  18. ^ The Info Text on the story's DVD says that the police Ford Granada car seen at the crash of the Brigadier’s car has a Y-registration (though this cannot be seen on screen). Y-registration plates were issued between 1 Aug 1982 and 31 Jul 1983.
  19. ^ a b Commander Lytton is stranded on contemporary Earth at the end of Resurrection of the Daleks and still is when he appears at the start of Attack of the Cybermen.
  20. ^ Ace born c. 1970.[81]
    UNIT founded by 4 Jun 1972 (the date it acquired the Tunguska Scroll according to a computer screen entry in the Black Archive seen in Enemy of the Bane - this is earliest date for UNIT's existence derivable from the televised stories and episodes).
    The Brigadier retires from UNIT in 1976 and Sergeant Benton from the Army in 1979 (according to the Brigadier in Mawdryn Undead).
    Gwen Cooper, Owen Harper and Toshiko Sato born 16 Aug 1978, 14 Feb 1980 and 18 Sep 1981, respectively (as seen on their personnel files in Children of Earth, Day Two (Gwen) and "Exit Wounds" (Owen and Tosh)). Ianto Jones born 19 Aug 1983 (stated by Captain Jack Harkness in "Fragments").
    Rose Tyler born in 1986 or 1987 (possibly 24 Apr 1987).[82]
  21. ^ Rani Chandra, Maria Jackson and Clyde Langer all born c. 1994; Clyde on 5 Jun and Rani between 15 Apr and 15 May.[83]
  22. ^ The caption was seen on broadcast, but not on the DVD release.
  23. ^ a b c d In "The Fires of Pompeii", Donna says to the Doctor: "You saved me in 2008. You saved us all." This could be a reference to the events of "The Runaway Bride", "The Sound of Drums" & "Last of the Time Lords", "Voyage of the Damned" or "Partners in Crime".
  24. ^ A MISSING poster on the Torchwood website states Jack was last seen in "Early February".
  25. ^ Time must be allowed for Rhys to recover from the gun shot wound in "Meat".
  26. ^ Time must be allowed for Gwen & Rhys’ honeymoon after "Something Borrowed".
  27. ^ a b The novel Beautiful Chaos and the audio drama "Lost Souls" both state that the events of The Stolen Earth happen in Jun 2009. If so, this implies Planet of the Dead is no earlier than April/Easter 2010.
  28. ^ a b c d Eps 1-4, 5-8, 8-12 and 13-14 of The Trial of a Time Lord were referred to in production and novelisations (though not on screen or on the DVD) as The Mysterious Planet, Mindwarp, Terror of the Vervoids and The Ultimate Foe, respectively.
  29. ^ Before giving the date, the Valeyard states that the events of the story occur on the planet Thoros Beta, and it is therefore possible (though not definite) that the date is given in a local calendar. If so, this story can then only be dated to sometime after Vengeance on Varos (Sil appearing in both stories).
  30. ^ Although Hardy says "preparing to enter hyperspace at twenty two, o-nine, seventy-two, two thousand, five hundred and forty BST", shortly afterwards Stewart says "pulling out of hyperspace now at twenty two, thirteen, seven-two, seven two, four-zero". Hardy's dialogue is therefore not a clear reference to the year 2540.
  31. ^ In The Last Sontaran, set contemporarily, Sarah Jane told Commander Kaagh: "I met your people a long time ago; and some time off yet. I can tell you that the Sontaran Empire is going to be around for another ten thousand years."
  32. ^ The novelisation gives the date as 2030.
  33. ^ The script suggests the serial is set in 2300 (according to the Info Text on the story's DVD).
  34. ^ The television movie suggests that the fictional planet Gallifrey is set in the "Rassilon Era", while Earth is set in the "Humanian Era".
General references
Specific references
  1. ^ The Tardis travels back to 'Event One', whose description matches that of the Big Bang at the beginning of the real-life Universe, 13.7 billion years ago; though 'Event One' is referred to several times as the creation of the galaxy and in real-life, the oldest star in the galaxy is 13.2 billion years old.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj The time period is specifically stated by the Doctor in dialogue.
  3. ^ The Doctor says the Jagaroth ship's destruction initiates life on Earth. Scientific theory has that origin occurring on the real-life Earth sometime between 4.4 and 2.7 billion BC.
  4. ^ a b c The time period is specifically stated both by the Doctor and by one or more other characters in dialogue.
  5. ^ There are a number of dialogue references to Eldrad becoming dormant and his hand becoming embedded in Jurassic limestone 150 million years earlier.
  6. ^ The event that wiped out the dinosaurs is depicted as being caused by an Earth spaceship from the future crashing into Earth.
  7. ^ a b (i) Date taken from an alternative title for the story (though this does not appear on screen). (ii) The story depicts a Stone Age tribe of humans in a quest for fire to keep them alive in an approaching 'great cold'. According to the Out of Africa theory, humans would not be present in areas with that kind of climate until approximately 30,000 BC.
  8. ^ a b Ep 7 is partly set in Hollywood's silent film era (which ended in the late 1930s), but after Charlie Chaplin had had a film released, the first of which was on 2 Feb 1914. The Doctor meets a clown who gives his name as Bing Crosby and who is thinking of taking to singing. The real life Bing Crosby was singing at the Los Angeles Metropolitan Theatre in 1926. Eps 9 & 10 were set during the construction of the Egyptian pyramids.
  9. ^ The Doctor told Jo that the destruction of Atlantis "happened three thousand five hundred years ago".
  10. ^ The storyline is set around the Fall of Troy, which ancient Greek historians variously date to between 1335 and 1134 BC.
  11. ^ a b c d e f g h i j k l m n o p q r The date or elapsed time is specifically given in one or more captions.
  12. ^ Vicki mentions they had been in the villa outside Rome for a month - before she and the Doctor depart for the city. The Great Fire of Rome, depicted near the end, started 18 Jul 64 (the Doctor specifically stated it was "64 AD - July"). The Doctor and his companions then returned to the villa before departing.
  13. ^ The Doctor says the scene involved Charlemagne, who was born in 747 or 748 and died in 814
  14. ^ The army carried by the Viking invasion fleet referred to, had its first engagement at the Battle of Fulford on 20 Sep 1066.
  15. ^ Set when England's King Richard I was in the Holy Land during the Third Crusade (he arrived 8 Jun 1191), but before the settlement between Richard and Saladin, which was reached on 2 Sep 1192.
  16. ^ The story itself merely states that it is set in the Middle Ages and "several centuries ago". However, in The Sontaran Experiment, Sarah Jane mistakes Field Major Styre for Commander Linx, remarking: "Linx was destroyed in the 13th Century."
  17. ^ The Doctor deduces that the purported King John is an imposter as the real king was in London on 4 Mar 1215 taking the Crusader's Oath.
  18. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae The time period is specifically stated by a character other than the Doctor in dialogue.
  19. ^ a b c d e f g h i j The time period over which the story is set can be deduced from the storyline as presented.
  20. ^ a b (i) Barbara dates the mummified corpse of the original Yetaxa to 1430. The story is set in the Aztec culture, apparently before the arrival of the Spanish in 1520. (iv) The story ends with a total solar eclipse, the only ones visible from Mexico between 1430 and 1520 in real-life being on 17 Jun 1452, 13 Feb 1477 and 8 Aug 1496 (see NASA's five-millennia catalog of solar eclipse paths).
  21. ^ The storyline ends on the first day of the St. Bartholomew's Day massacre.
  22. ^ The 'comet's' appearance at the beginning of the story is referenced in dialogue as being 'three weeks earlier'. The storyline ends with the start of the Great Fire of London.
  23. ^ Blake was a 'revenue man', i.e. an officer of the Board of Customs created in 1671.
  24. ^ a b c d The story is inconsistent on Reinette's year of birth. Reinette's portrait on the ship gives it as 1721. However, she says she'd known the Doctor since she was 7 - if she was that age at the 1st time period and the year is 1727 (as she tells the Doctor) her year of birth would be 1719/20. If she was born in 1721 she'd be 7 in 1728/9.
    In the 5th time period, the Doctor realised Reinette was 23 when reading her mind. In the 6th, Rose told Reinette the clockwork droids would come for her in five years; they came for her when she was 37. The King says she was 43 when she died. With a year of birth of 1719/20/21, she would have died in 1762/3/4/5 - the portrait gives her year of death as 1764.
    (The real-life Madame de Pompadour was born on 29 Dec 1721 and died on 15 Apr 1764, making her 5 or 6 in 1727 and 42 when she died.)
  25. ^ Jamie McCrimmon meets the Doctor for the first time. In The War Games he says that this took place in 1745.
  26. ^ The story is set shortly after the Battle of Culloden, which in real life occured on 16 Apr 1746.
  27. ^ The story ends with Robespierre's downfall, the day before his execution.
  28. ^ a b As seen in Remembrance of the Daleks; the Doctor says to the Black Dalek "You are trapped...a trillion miles, and a thousand years, from a disintegrated home....", placing Skaro's destruction in either c. 963 or c. 2963 (although the Doctor could alternatively mean that the Black Dalek would take a thousand years to travel back to Skaro from Earth).
  29. ^ The story is set at the height of the Luddite movement.
  30. ^ The Doctor reads a newspaper that gives the year as 1869; Dickens says it is Christmas Eve, and a poster in his dressing room gives the date of his performance as "Friday, December 24, 1869".
  31. ^ a b c d Eps 1 & 2 were set on the planet Aridius, date not given. In ep 3 the Tardis stops at the Empire State Building (Morton Dill gives the date as 1966) and onboard the Marie Celeste when the abandoning of the ship is shown (the final log entry was 24 Nov 1872 and the last entry on the ship's slate was the next day). In ep 4 the Tardis crew unknowingly spend time at the Festival of Ghana - a sign shown on screen gives the date as 1996. Eps 5 and most of 6 are set on the planet Mechanus at some unknown date in Earth's future. The end of ep 6 shows Ian and Barbara returning to Earth. Ian sees that a car's tax disc, which are for a period no longer than 12 months, expires Dec 1965.
  32. ^ The storyline is set in the lead up to, and including, the gunfight at the OK Corral. However, there are significant differences with real-life events (see the episode article for details).
  33. ^ The Doctor says Inspector McKenzie was sent to the area in 1881; Ace exclaiming that that was two years ago.
  34. ^ a b Dialogue has the main part of the episode set during Agatha Christie's famous 10-day disappearance in 1926 (the Doctor specifically gives the year). By appearance the episode is set in the Summer, though the real-life Christie disappeared 8-17 December. Lady Eddington says that the flashback to India "was forty years ago".
  35. ^ On Jack's first meeting with the then Torchwood he is aware of his immortality that he told the Doctor (in "Utopia)" he discovered in 1892. The girl casting Jack's fortune told him the century would turn twice before he'd meet the Doctor again, implying it was no later than 1900. The episode is probably set nearer the end of this time period as Jack asks what he would do for 100 years and Alex in 1999 spoke of Jack having 100 years of service as a field agent.
  36. ^ The story is set in Queen Victoria's reign, which ended 22 Jan 1901. One of the acts at the theater sings the song Daisy Bell, which was composed in 1892.
  37. ^ The story is set in King Edward VII's reign, which commenced 22 Jan 1901, and Colonel Skinsale refers to his feeling uneasy in the presence of Lord Salisbury, who died on 22 Aug 1903. Also, Reuben said that the last time 'the Beast' was seen on Fang Rock was "80 year ago, now", with Vince later saying that those events "happened before, back in the 20s."
  38. ^ a b c A newspaper gives the date.
  39. ^ A voiceover sets the scene on the Western Front in World War I.
  40. ^ The episode is set before the armistice with Germany.
  41. ^ From the fashions the early carnival scenes appear to be set in the 1920s.
  42. ^ The Monk Thomni says the Holy Ghana was taken in 1630, 300 years earlier; the Doctor later gives the same lapse of time. In The Web of Fear, Anne Travers asks Victoria: "And you met him - when was it you said? In 1935? In Tibet?"; Victoria responding: "Yes!"
  43. ^ Martha finds a newspaper with this date.
  44. ^ a b A poster outside the dance hall in "Captain Jack Harkness" (CJH) advertises a '1941 Kiss the Boys Goodbye Dance" on 20 Jan 1941. A sign at the dance Jack and Tosh attend identifies that dance as the same one on the same date. And in "Everything Changes" it is stated that 'Captain Jack Harkness' disappeared on 21 Jan 1941; CJH taking place the night before his death. Also in CJH, Jack tells Tosh that he has been in that period before working undercover and that he took the real Jack Harkness' identity because it was convenient as he'd been killed. This places the events of "The Empty Child" & "The Doctor Dances" (TEC/DD) two-part story after those of CJH. (Note: A telegram on the Torchwood website dated 5 Jan 1941 states that the real Captain Jack Harkness was killed "yesterday".) TEC/DD are set during The Blitz, which ended 10 May 1941.
  45. ^ Seeing the headphones worn by the women in the deciphering room, Ace remarks that she didn't know they had personal stereos in 1943.
  46. ^ The episode takes place on the eve and on the day of Elizabeth II's coronation.
  47. ^ a b The contemporary parts of the story can be seen to span two days, on the first of which is a dance where the entrance poster states it is 'Wednesday' and a banner reads 'Shangri-La 1959'. The issue of the Eagle comic being read by Murray the next morning is dated 7 Mar 1959 (according to the Info Text on the story's DVD).
  48. ^ a b c (i) The Doctor's futuristic car (the 'Whomobile') has registration WVO 2M; M-reg plates were issued between 1 Aug 1973 and 31 Jul 1974. Whitaker and Butler's secret base is shown as hidden beneath Trafalgar Square tube station. In real life, that station combined with the Northern Line Strand station on 1 May 1979 to form the present Charing Cross station. (ii) Sarah Jane says she is 23. In Whatever Happened to Sarah Jane? she is shown as being 13 on 13 Jul 1964 and in Secrets of the Stars her astrological sign is stated to be Taurus; which combined puts her date of birth between 20 Apr and 20 May 1951 (she is shown as a baby on 18 Aug 1951 in The Temptation of Sarah Jane Smith). The former date would make her 23 on or after 20 Apr 1974; the latter on or before 19 May 1975.
  49. ^ Dodo Chaplet joins the Tardis. In The War Machines, on noticing the Post Office Tower, she exclaims "it's finished", implying she had left after construction commenced (Jun 1961) but before completion (officially opened 8 Oct 1965).
  50. ^ The blackboard in Ian's classroom lists what is set for 'Homework - Tuesday'.
  51. ^ A calendar is visible in Ratcliffe's office that shows the month as Nov. Events depicted imply it is set shortly after An Unearthly Child. The pre-title sequence shows a sequence of momentous events from 1963, but omits the assassination of President John F. Kennedy on 22 Nov 1963 (and no-one mentions it).
  52. ^ The Tardis materialises in Trafalgar Square in the middle of people celebrating New Years Day.
  53. ^ The main part of the story can be seen to take place over two days. On the first day, Sir Charles Summer says "Computer Day will be next Monday, July 16th - that is, in four days time." The final scene shows Ben and Polly joining the Doctor on his journeys. On discovering the then date in the The Faceless Ones, Ben says that it is the same as when he and Polly joined the Tardis. (In real life 16 Jul 1966 was a Sat. However, days often fall on different dates in the Whoniverse (see "Captain Jack Harkness" for a recent example).)
  54. ^ The story takes place when North Sea gas is being supplied to England, which commenced in 1967, but before decimalisation in the UK.
  55. ^ Polly shows the Doctor a faux Aztec piece marked Mexico Olympiad. Zaroff was reported kidnapped and killed 20 years earlier, causing the West and East to blame each other - the Cold War ended in the early 1990s.
  56. ^ Martha says it is before the first moon landing.
  57. ^ The day and month were given by Peri's passport in Planet of Fire, set c. 1985, when she was a US college student. (The actress Nicola Bryant was born in 1962.)
  58. ^ Professor Travers says it is over 40 years since the events of The Abominable Snowmen, which story's two attributable dates are 1930 and 1935.
  59. ^ a b In Inferno, the Doctor says to the Brigade Leader (thinking he was the Brigadier): "You ask me my name, after all the years that you and I..." Later the Doctor says to the Brigadier: "Not after all the years we've worked together." The Doctor first met the Brigadier (then a Colonel) in The Web of Fear.
  60. ^ The Brigadier says it has been four years since the events of The Web of Fear.
  61. ^ a b c d e f g It is possible that the internal chronological order matches the order of dates of original transmission.
  62. ^ The Doctor was stranded on Earth with a mostly non-functioning Tardis from Spearhead from Space (SfS) to The Three Doctors. In SfS, the Brigadier meets the Third Doctor, and they both meet Liz Shaw, for the first time. The Doctor's car Bessie makes its first appearance in Doctor Who and the Silurians (DWatS). The Doctor refers to the events of DWatS in The Ambassadors of Death. The Doctor refers to Liz having returned to university life in Terror of the Autons. In that story he meets Jo Grant, and both she and the Brigadier learn of and meet the Master, for the first time. The Master is captured by UNIT at the end of The Daemons and is shown in prison in The Sea Devils (TSD). In TSD, the Doctor, Jo and other characters refer to the events of DWatS. Jo leaves at the end of The Green Death (TGD). In The Time Warrior (TTW), the Brigadier refers to the Doctor's trip to Metebelis III, which took place in TGD, and the Doctor meets Sarah Jane Smith for the first time. The Brigadier meets her for the first time in Invasion of the Dinosaurs, during which he refers to the contemporary events of TTW. Also, Captain Yates refers to the events of TGD.
  63. ^ Fu Peng refers to "our chairman - Mao Tse-Tung" who died 9 Sep 1976.
  64. ^ Professor Horner says that 'Devil's Hump' will be opened at midnight on 30 Apr, and the next day is stated to be May Day (i.e. 1 May) by the Master, Miss Hawthorne and Bert the landlord.
  65. ^ Jo wishes Benton a merry Michaelmas over the telephone.
  66. ^ In The Three Doctors, the Second Doctor says to Benton: "Haven't seen you since that nasty business with the Cybermen", to which Benton responds: "All those years ago."
  67. ^ A wooden wall-calendar in the mothballed mine's office gives the date as the 5th (the day and month being unreadable). When Captain Yates is on the telephone to the Brigadier there is a wall-calendar behind him that has the format of displaying all possible days, dates and months with the specific date being denoted by pegs. Although no text is legible, pegs can be seen placed on the 1st peg of a block of 7; on the 28th of a block of 31, and on the 5th of a block of 12 - implying the date is Mon 28 May. The same style of calendar can be seen in Elgin's office earlier, though only the last block is visible, with again the peg being on the 5th. In the security guards' hut at the main gate there is calendar showing a single month of 29 days, with the last day being a Tue. (Notes: The only years that 28 May falls on a Mon in the 1970s and 1980s in real-life are 1974, 1980 and 1985. And the only year in that period where 29 Feb falls on a Tue is in 1972. However, dates often fall on different days of the week in the Whoniverse (see "Captain Jack Harkness" for a recent example).)
  68. ^ Planet of the Spiders (PotS) is the last adventure for the Third Doctor, with the cliff-hanger to Robot (which follows directly on) incorporating the Doctor’s regeneration from his Third to Fourth Incarnation. The stories can be seen to span a number of days before and after Sarah Jane Smith's visit (in Robot) to the National Institute for Advanced Scientific Research, her pass for which is dated 4 April. The Doctor's futuristic car (the 'Whomobile'), seen in PotS, has registration WVO 2M; M-reg plates were issued between 1 Aug 1973 and 31 Jul 1974.
  69. ^ Mrs Tyler refers to it being Lammas Eve, the festival of Lammas being celebrated on 1 August. The van that brings the coven to the Priory has registration HTF 194 N; N-reg plates were issued between 1 Aug 1974 and 31 Jul 1975. The Doctor said that "There are 4,000 million people here on your planet"; world population reached 5 billion in 1987.
  70. ^ Dr Carter’s Morris Marina car has registration NGS 558 P; P-reg plates were issued between 1 Aug 1975 and 31 Jul 1976. At the end of the story, the Doctor leaves Sarah Jane Smith behind on Earth; she next appears in "A Girl's Best Friend".
  71. ^ Mawdryn Undead shows the Brigadier to have retired from UNIT in 1976 to become a teacher.
  72. ^ The stories aired after Pyramids of Mars during which Sarah-Jane tells Laurence that "we travel in time, Mr. Scarman, I'm really from 1980".
  73. ^ The story is set in two contemporary time periods, which both the Doctor and other characters say are 1977 and 1983. The Doctor gives the precise date of 7 Jun 1977 for the earlier period after the 1983 Brigadier tells him his school was preparing to celebrate Elizabeth II's silver jubilee. The Doctor also checked the transmat capsule's controls confirming it had been on Earth for "almost six years" between 1977 and 1983.
  74. ^ The story begins on Tegan's first day at work. In Four to Doomsday, the Doctor is attempting to get her to that day on time and sets temporal coordinates for 28 Feb 1981.
  75. ^ a b Nyssa's home planet, seen in The Keeper of Traken, was destroyed in Logopolis.
  76. ^ The main part of the storyline can be seen to span 4 days and into the first few minutes of a 5th. Sarah Jane gives K9 the date of the first of those days – "1981, December 18th". Aunt Lavinia earlier said that Sarah Jane was due to arrive "Friday week, the 18th". The opening scenes were set at least the night before Aunt Lavinia left for America, and George Tracey told Sarah Jane on her arrival that her Aunt went to America "last Sunday week", which itself would be the 6th. The epilogue is set when various individuals wish others 'Merry Christmas' and Sarah Jane says they'd just had Christmas dinner - i.e. Christmas Day.
  77. ^ Sarah Jane Smith is seen with K-9, whom she obtained in "A Girl's Best Friend". The Brigadier recognises The Fifth Doctor and Tegan, whom he first met in Mawdryn Undead.
  78. ^ Peri Brown joins the Tardis. She is due back in college in 3 months in the Fall (Autumn). In Timelash, the Doctor threatens to take her "back to 1985". (Turlough was in exile in 1983 in Mawdryn Undead, but is pardoned here by the new Sarn Government.)
  79. ^ A calendar in the Tracking Room shows it is Dec 1986. The Cybermen's planet Mondas is destroyed at the end of the story; in Attack of the Cybermen the Sixth Doctor relates the event and confirms it occurs in 1986.
  80. ^ The date is clearly seen on screen.
  81. ^ In Ghost Light, Ace states that she last saw (and burnt down) the house Gabriel Chase in 1983, the Doctor stating that she was 13 at the time.
  82. ^ In "Dalek", Rose says she would be 26 in 2012, implying she was born in 1986. This is consistent with the Doctor saying that Rose is 19 in "The Unquiet Dead", set wihin a few days of the events of "Rose" in Rose's personal timeline (Rose tells Mickey in "Aliens of London" that the events of that episode are only a few days for her after leaving him at the end of "Rose"), if the attributable date of 5-6 Mar 2005 for "Rose" is correct (the Doctor also gives her age as 19 in "Dalek"). However, the Doctor says in "Rise of the Cybermen" that Rose was 6 months old when her father died - on 7 Nov 1987 in "Father's Day", when she is depicted as a baby. Her exact date of birth is given as 24 Apr 1987 in her character guide in the 2005 Doctor Who Annual written by Russell T Davies.
  83. ^ Rani, Maria and Clyde are all in the same year at school as Luke Smith whose official age was given as 14 by the Headmaster in Revenge of the Slitheen and by Sarah Jane Smith in "Journey's End". Also, Alan Jackson says Maria is 14 in The Lost Boy and Clyde says he is 15 in The Mark of the Berserker. Luke gives Clyde's birthday as 5 Jun and Rani says her astrological sign is Aries in Secrets of the Stars.
  84. ^ a b (ii) Using (i) and the "Fragments" attributable date of Spring 2009. (iii) Both Tosh and Owen say he had been in Torchwood for 2 weeks when the 'space pig' incident occurred (which was in "Aliens of London"); Tosh already being a member. (The timespans over which Tosh and Owen's inductions take place are not stated.)
  85. ^ a b The 'have you seen this girl' posters in "Aliens of London" say Rose went missing (at the end of "Rose", set over two days) on 6 Mar 2005. Both the Doctor and Mickey say she has been gone a whole year. (Mickey's Volkswagen Beetle in "Rose" has a tax disc, which are for a period no longer than 12 months, that expires '31 03 05' - i.e. 31 Mar 2005. Rose joins the Tardis in "Rose", the Doctor taking her into the future (seen in "The End of the World") saying: "Ten thousand years in the future. Step outside, it's the year 12005 ...")
  86. ^ Rose says to Mickey "the last time I saw you, with the Slitheen, this middle bit opened", which events were depicted in "Boom Town". In "The Christmas Invasion", Jackie (on hearing the Tardis) says 'she's alive, Mickey! I said so, didn't I? She's alive!'; and the Doctor has regenerated.
  87. ^ a b c Wilf, in "Voyage of the Damned", set at Christmas, says the events of "The Christmas Invasion" happened 'the Christmas before last', and that the events of "The Runaway Bride" happened 'last year'.
  88. ^ "Aliens of London" can be attributably dated to 2006. Using this means "The Christmas Invasion" (TCI) can be attributably dated to Christmas 2006 or later. However, if TCI is set at Christmas 2007 or later, then given the attributable dating of "The Sound of Drums" (SoD) to at least 18 months later, the latter episode would be attributably dated to after May 2009. But, SoD is also attributably dated to before "Adrift", itself attributably dated before Mar 2009. Avoiding the contradiction gives TCI an attributable dating of 2006.
  89. ^ The flashbacks to the Hoix are within the time period of the main part of the episode. Elton says he lost his mother when 3 or 4, but doesn't state his present age (the actor who played the character - Marc Warren - was born 20 Mar 1967). Elton also has flashbacks to events in "Rose", "Aliens of London" and "The Christmas Invasion".
  90. ^ a b (i) In "New Earth", Rose says goodbye to Jackie and Mickey, presumably shortly after Christmas, as when on New Earth, Rose says "you're so different", the Doctor responding "new, new Doctor". In "School Reunion" (SR), Sarah Jane refers to the events of "The Christmas Invasion" (TCI) as taking place at the Christmas just gone. Children are back at school, so no earlier than in the New Year. And in "Love & Monsters" (L&M), Elton first meets Ursula after the events of TCI. Mickey is present in SR, so before his relocation to the alternative universe at the end of "The Age of Steel" (AoS). Also, Mickey starts travelling with the Doctor and Rose, and when the Doctor returns her to Jackie's flat in AoS the latter asks 'where's Mickey', not 'do you know where Mickey is', implying she knows he has started travelling with them. In L&M, Jackie tells Elton that Mickey had 'gone now. Bless him', referring to his relocation to the alternative universe in AoS. Jackie's presence before her relocation to the alternative universe in "Doomsday", places L&M before that episode. (ii) L&M takes place over several weeks; Elton specifically states Kennedy arrived on a "Tuesday night in March"; and he first meets Ursula after the events of TCI.
  91. ^ (i) In "Turn Left", Donna is driving to the first day of her new job at HC Clements, which was shown in the first "The Runaway Bride" (TRB) flashback (in both episodes, Donna says this was six months before TRB). She met Lance that day, and subsequent TRB flashbacks show her joking with him on the stairs and asking him to marry her (three times).
  92. ^ Jackie relocates to an alternate universe at the end of "Doomsday", but had not yet done so in "Love & Monsters". The events of "Doomsday" are referenced by the Doctor in "The Runaway Bride" and by Jack in "Everything Changes".
  93. ^ Ianto refers to the events of "Doomsday". The flashback details his induction into Torchwood; he was a member by "Everything Changes".
  94. ^ a b In "Everything Changes" (EC), Jack references the events of "Doomsday". Suzie is killed at the end of EC, and following her resurrection in "They Keep Killing Suzie", Jack tells her she's been dead 3 months. At the end of "Out of Time" (OoT), Diane flies into the rift, which Owen says (in "End of Days" (EoD)) happened 24 December Also in EoD, Ianto tells Owen that he only knew Diane for a week. (Although Diane gives the date 18 Dec 1953 as 'today's date' at the start of OoT, there is nothing implying a whole number of years has passed.) In "Combat", Toshiko references the events of OoT. A scene from "Combat" is included in the opening of "Captain Jack Harkness" as a 'previously'.
  95. ^ a b Using (i) and the attributable dating of "The Christmas Invasion" to 2006.
  96. ^ a b Both PC Andy and various posters say that Jonah was born 15 Feb 1993. Gwen said she was looking for a 15-year old when going into the adult Jonah's room, dating that event to no later than 14 Feb 2009. Subsequent to that scene there was a 'One Week Later' caption, making the end of the episode no later than 21 Feb 2009.
    A poster states that the first Searchlight meeting was on Mon 27, implying the main part of the episode must start on or before 27 Jan 2009.
    Gwen is married to Rhys, placing "Adrift" after "Reset" and therefore after Martha leaving the Doctor, which itself occurred no earlier than 1 Oct 2008. Therefore the main part of the episode must start on or after that date.
    PC Andy says Jonah had been missing 7 months and 11 days, which means the teaser must be no earlier than 19 Feb 2008 and no later than 16 Jun 2008.
  97. ^ "Captain Jack Harkness" is followed on directly by "End of Days" (EoD), at the end of which Jack hears the Tardis and then runs and jumps onto the outside in the teaser of "Utopia". In "Adrift", PC Andy says Jack appeared at the scene 1 hour after Jonah went missing in the teaser, which itself can attributably dated before "The Sound of Drums", in which episode Jack returns. Therefore the teaser must be before Jack goes missing in EoD.
  98. ^ In "The Sound of Drums", Martha says it is the day after the election, which is 4 days after she met the Doctor in "Smith and Jones". In "The Lazarus Experiment", the Doctor says it is the morning after they left. In "42", Francine states it is Election Day.
  99. ^ a b (i) Vivienne Rook says that Saxon became real 18 months ago just after the downfall of Harriet Jones, which would be shortly after "The Christmas Invasion" (TCI). In "Love & Monsters" (L&M), the Abzorbaloff is holding a newspaper mentioning Saxon. (ii)(a) Using (i) and the attributable dates for TCI of 25 Dec 2006 and for L&M of Mar/Apr 2006. (ii)(b) Based on the dates for US Presidential elections, as Winters, on meeting the Toclafane, described himself as President-elect.
  100. ^ Jack leaves the Doctor to return to his Torchwood team, which he does hours later in "Kiss Kiss, Bang Bang".
  101. ^ The episode can be seen to span two days, the first given by both Jack and Tosh’s calendars. (The only Fri the 20th in 2008 in real-life is in June However, days often fall on different dates in the Whoniverse (see "Captain Jack Harkness" for a recent example).) Owen says Tommy is awoken every 12 months or so, but this is the first time since Gwen joined Torchwood in "Everything Changes".
  102. ^ Maria, Luke and Alan make their first appearances in "Invasion of the Bane" (IotB). In IotB, Alan tells Maria she has a "new school, next week", which she is shown attending at the start of Revenge of the Slitheen (RotS). Both Luke and Maria refer to the events of IotB in The Lost Boy (TLB). Clyde makes his first appearance in RotS. Both Maria and the young Slitheen ('Nathan') refer to the events of RotS in TLB. Also in TLB, Maria refers to the events of Eye of the Gorgon. TLB follows directly on from Whatever Happened to Sarah Jane? (WHtSJ) as in WHtSJ Maria has to explain to Alan what she has been up to with Sarah Jane, Alan discovering her involvement at the end of TLB. Later in TLB Alan refers to the events of WHtSJ.
  103. ^ In The Lost Boy (TLB), 'Jay and Heidi' ('Ashley's' 'parents') say that 'Ashley' (Luke) has been missing 5 months. Assuming Mr Smith took pains to make this cover story fit the known facts, and given Sarah Jane met Luke in "Invasion of the Bane" (IotB), this implies TLB is less than 5 months after IotB. Also, Sarah Jane, referring to having children around, says: "These past few months; I’ve been lucky." In IotB, Sarah Jane also says that K-9 (given her by the Doctor in "School Reunion") had been "in there for a year and a half".
  104. ^ (a) Maria's alarm clock says '11 1' early in the morning of the second day of "Invasion of the Bane" (IotB). (b) In IotB, Alan tells Maria she has a "new school, next week", which she is shown attending at the start of Revenge of the Slitheen (RotS). In a voice-over in RotS, Maria says that she has "just moved in with [her] dad" and "that's Luke - born yesterday, near enough". The Headmaster welcomes back the pupils to "a new year", which could be either a school or calendar year (although the new block was put up over the holidays, the Christmas school vacation is a lot shorter than the Summer, and the pupils do not appear to be dressed for Winter). (c) Using (i) and the attributable dating for "School Reunion" of early 2007. (d) In IotB, Konnie Huq and Gethin Jones are shown as presenters of Blue Peter, which they left on 23 Jan 2008 and 25 Jun 2008, respectively.
  105. ^ There is no information in LotTL as to the elapse of time between the final Valiant scenes, Jack’s departure and Martha’s departure. Tom Milligan takes Martha's phone call standing in front of a whiteboard recording monthly achievements against targets, which is completed up to October
  106. ^ Martha is already a member of UNIT in "Reset", which she joined after leaving the Doctor.
  107. ^ (a) Meredith Robert's date of birth is given as 11 Jan 1962, and Owen says that she's 45. (b) In "Dead Man Walking", Martha gives Owen's age at death as 27. His date of birth is given as 14 Feb 1980 in his personnel file seen in "Exit Wounds".
  108. ^ Owen in "A Day in the Death" says he died (in "Reset") 3 days earlier.
  109. ^ In "Partners in Crime" (PiC), Donna refers to the events of "Voyage of the Damned". In "The Sontaran Stratagem", Sylvia refers to the events of PiC as being a few days earlier. "The Doctor's Daughter" placed after "The Poison Sky" on the basis that character appearances are in timeline order unless otherwise stated so that the Doctor would minimise the risk of time paradoxes.
  110. ^ Tosh and Owen die in "Exit Wounds", but are alive in "Adrift".
  111. ^ In "Exit Wounds", Jack instructs the 1901 Torchwood team to set the timer on the cryogenic unit for 107 years. Spring 2009 from (i) and the attributable dating of "Doomsday", "Everything Changes" and the Ianto flashback.
  112. ^ Gwen refers to Tosh's death in "Exit Wounds"; Jack says that UNIT's experimental teleport was salvaged from the Sontarans (see "The Sontaran Stratagem" & "The Poison Sky)"; and in "The Stolen Earth" (TSE), Luke mentions Clyde, whom he met in Revenge of the Slitheen (RotS). Also, Sarah Jane says that Luke is 14, the same age given by the Headmaster in RotS. Martha is engaged during "The Stolen Earth" & "Journey's End" (TSE/JE), but on her honeymoon during Children of Earth (CoE). Ianto is alive during TSE/JE, but died in CoE.
  113. ^ Maria and Alan Jackson were stated by Luke to be on holiday in Cornwall during "The Stolen Earth" and had not yet moved to Washington, D.C. as they do at the end of The Last Sontaran (TLS). They are shown living in the US in The Mark of the Berserker (TMotB) when Rani meets them for the first time (over a webcam). Rani and her family make their first appearances in The Day of the Clown (TDotC). In Enemy of the Bane (EotB), Sarah Jane recognises Commander Kaagh who himself refers to the events of TLS. In TLS Alan refers to the events of The Lost Boy (TLB) and Maria refers to the Xylok. Also, Professor Rivers of the Pharos Institute refers to "that business with Nathan Goss" (the child Slitheen in TLB) in TDotC. In Prisoner of the Judoon Rani refers to the events of EotB. In The Mad Woman in the Attic, present day Rani has flashbacks to TDotC, TMotB and The Temptation of Sarah Jane Smith (TToSJS); Luke has a flashback to TLS, and Sarah Jane has flashbacks to TDotC and TToSJS. In The Wedding of Sarah Jane Smith (TWoSJS), Sarah Jane refers to the Trickster having previously used her parents against her, which happened in TToSJS. In TWoSJS, Rani and Clyde meet the Doctor for the first time; Clyde mentioned the Doctor "looked human" in The Eternity Trap.
  114. ^ Maria's email to Luke can be seen on screen as having been "Sent: 09 October 22:54".
  115. ^ Clyde says he is 15 in Mark of the Berserker. He is in the same year at school as Luke who was said to be 14 in Revenge of the Slitheen.
  116. ^ The tax disc on Sarah Jane's car, which are for a period no longer than twelve months, expires 30 Sep 2009.
  117. ^ The events of "The Stolen Earth" & "Journey's End" are referred to by Barclay and Nathan.
  118. ^ Lady Christina says that "Daddy lost everything; invested his fortune in the Icelandic banks." The 2008-2009 Icelandic financial crisis commenced late 2008. Also, "Journey's End" has an attributable date of 2009. However, if that episode is set after Easter/April, "Planet of the Dead" could not then itself be set in 2009.
  119. ^ The story is stated to be set over 5 days, on all of which children are either shown at school or stated to be being kept home from school; normal school days in the UK being Mon-Fri. However, on the second of the five days Ianto reads a copy of that day's The Times newspaper dated 'Wednesday September 2009'. Jack (referring to the events of 1965) says that "the only consolation I had was that the deal seemed to work", to which Rhys responded "it worked for 44 years".
  120. ^ At the end, the Doctor expels Adam Mitchell from the TARDIS into his own time.
  121. ^ The episode depicts the 2012 Summer Olympics opening ceremony, currently planned for 27 Jul 2012.
  122. ^ The story is set on a human space station distant from Earth. The Doctor meets Zoe Heriot for the first time, who is depicted as a young woman (the actress, Wendy Padbury, was 20 when this story was filmed). In The War Games, whilst under an interrogation device that compels the truth, she says she was born in the 21st Century. However, in The Mind Robber, she says that she followed a strip cartoon that the Doctor said was of the year 2000, shifting her year of birth back a few years.
  123. ^ Title of the upcoming episode following Planet of the Dead, as shown at the end of that episode and on the official BBC Doctor Who website. The date is given in trailers that can be found on that site.
  124. ^ The Doctor dates the ion-jet rocket to the 21st Century. Dated after The Moonbase on the basis that there's no sign of the teleport system T-Mat in that story.
  125. ^ The Doctor says that Paradise Towers "won all sorts of awards back in the 21st century".
  126. ^ The Doctor claims to be from Galactic Salvage, which Rigg points out was liquidated 20 years earlier in 2096.
  127. ^ The Doctor finds a 2164 calendar in an abandoned warehouse. He earlier said that the warehouse "hasn't been used in years".
  128. ^ Peri says to the Governor, Chief Officer and Sil that "her time" is nearly 3 centuries before they were born.
  129. ^ Romana says the Argolin-Foamasi war was in 2250. Brock says there have been 40 years of tachyonics science, whose development Pangol says was a direct result of the war.
  130. ^ The Doctor says it is 400 years since the last landing (in The Stones of Blood).
  131. ^ The Valyard gives the date as "24th century, last quarter, 4th year, 7th month, 3rd day". The 24th Century starts in 2301, so the last quarter's 1st year will be 2376 and the 4th 2379.
  132. ^ Jane Leeson tears off the top sheet of a day-by-day calendar, showing the day before was 2 Mar 2472.
  133. ^ a b Professor Parry says: "Cybermen? A live Cyberman? My dear Viner, they've been dead for the last five hundred years!" 500 years after The Tenth Planet would give 2486, though this assumes that Parry is unaware of the events of The Moonbase (which the Doctor and Cyber Controller reference) - and possibly also The Wheel in Space - despite Cybermen being his field of study. However, 500 years after Moonbase (set in 2070) would also set Tomb after the major Cyber Wars leading up to Earthshock (set in 2526). Assuming Parry would not be unaware of major wars involving the Cybermen would then place Tomb in 3026 or later.
  134. ^ Vicky says she and her father left Earth in 2493.
  135. ^ The Doctor refers to the Daleks' activities as part of the same plan they were conducting in Frontier in Space.
  136. ^ A monitor screen in the Hyperion's communication room displays '164 2986'; the 164th day of 2986 will be 13 Jun.
  137. ^ The Ood, according to Halpen in Planet of the Ood were enslaved 200 years before that episode, in which they were freed.
  138. ^ The Daleks Master Plan opens with Bret Vyon searching for Marc Cory's expedition (shown in Mission to the Unknown).
  139. ^ Flashbacks to Jack Harkness' childhood, which was presumably before being made 'Rear of the Year' in 5094 (as stated by Captain John Hart in "Kiss Kiss, Bang Bang").
  140. ^ Donna recognised '60120724' as the date in the format yyyymmdd (year month day), with '60120717' being seven days earlier. The Doctor said that it was the New Byzantine calendar, but otherwise did not correct her. Although the relationship with the Gregorian calendar is not given, it's possible that it's simply a renaming and reformatting of the latter (if not, then the episode is set at an unknown future date as it involves a human extraterristrial colony).
  141. ^ The Doctor states that the events of this story are "thousands of years" before those in The Ark in Space.
  142. ^ The stories follow on directly, and are linked. The Doctor stated that the Nerva space station was built in the late 29th, early 30th century (i.e. c. 2900). He told Vural (and apparently, earlier, Harry, who passed the comment on to Rogin), that the humans on Nerva had been in deep freeze for 10,000 years, giving the earliest possible attributable date for these stories as c. 12,900. Vira said that the Earth would not be viable for 5,000 years, to which the Doctor remarked that they had overslept by several thousand years; he later told Vural that the Earth had been habitable for several thousand years. This implies the humans on Nerva had intended to be in deep freeze for 5-8,000 years. However, the High Minister, in a recorded message for the humans on Nerva for when they woke up at the expected time said that they would have slept longer than the recorded history of mankind. In real life, Sumerian Cuneiform script dates to c. 3000 BC. This means they would have entered deep freeze no later than c. 5,000 setting the latest attributable date for these stories as c. 15,000.
  143. ^ The Doctor was attempting to return Sarah to London 5 minutes before they left Loch Ness (at the end of Terror of the Zygons), eventually admitting emerging from the time vortex 30,000 years too late. (Egad Lumb's burial marker gives a date of death as 37,166, but he was a Morestran, who were not human.)
  144. ^ In The Dalek Invasion of Earth Ian refers to the events of this story, which the Doctor says is "a million years ahead of us in the future".
  145. ^ The Doctor and Taron both refer to the events of The Daleks, which Vaber says happened generations ago.
  146. ^ The Doctor tells Peri they were "a long time after your period; 2 million years or more".
  147. ^ Descriptions of the colonists etc match those in The Ark, though at least 40 years must have passed (Range says the colonists spent 10 years filling the wreck of their ship with food followed by 30 years bombardment).
  148. ^ a b The destruction of the Earth by the expanding Sun is depicted in "The End of the World" (TEotW). In TEotW itself, the Doctor says to Rose: "This is the year 5.5/apple/26 - 5 billion years in your future". However, in the trailer for TEotW shown at the end of "Rose", the Doctor says to Rose that "this is the year five billion". In "New Earth" (NE), the eponymous planet was founded because of the Earth's destruction in TEotW, which the Doctor says happened in the year 5 billion. See also the dates given for NE and "Gridlock", which is set after NE.
  149. ^ Based on the attributable date for the 1st flashback in "The Runaway Bride".
  150. ^ Based on the attributable date for "The Runaway Bride", whose events are paralleled. Also, Donna meets Rose and later tells her that was on Christmas Eve.
  151. ^ Mr Chowdry refers to the Thames draining being a 'few months' earlier; Jun-Nov 2008 based on the attributable dates for "Smith and Jones", whose events are paralleled. Also, Donna tells Rose that next Christmas "is ages away". (The fact that Sarah Jane, Luke, Maria and Clyde died in the hospital could imply that the date is after that of Revenge of the Slitheen, but the datings may be different in the altered timeline.)
  152. ^ Based on the attributable date for "Voyage of the Damned", whose events are paralleled. Also, Sylvia says the second day was Christmas Day.
  153. ^ The homeless Nobles were told they could go to Leeds or "wait in the hostel for another 3 months". (Whilst in Leeds events paralling those of "Partners in Crime" and "The Poison Sky" occurred, though both the Nanny's and the Sontarans' plans, and probably therefore the dates, would have been changed by London's destruction.) Rose told Donna that she would be 'ready' in 3 weeks, which happened just before Donna saw the TARDIS.
  154. ^ Specifically stated by the Doctor to be a parallel universe, the local date is stated a number of times in dialogue to be 1 Feb and Mickey says the date of the newspaper he found is 'this year'; though the Doctor later says (in "Journey's End") that time in this parallel universe is running ahead. (The story is set on the alternate Jackie Tyler's supposed 39th (actually 40th) birthday. Her official biography states she was born the same day as Cuba Gooding, Jr., though the real-life individual was actually born 2 Jan 1968.)
  155. ^ Pete Tyler says that it took the Cybermen 3 years to infiltrate the parallel Torchwood and then vanish.
  156. ^ The Doctor returns Rose to the alternative universe, together with the Human/Time Lord metacrisis version of himself. Placed after "Doomsday" on the basis that character appearances are in timeline order unless otherwise stated so that the Doctor would minimise the risk of time paradoxes.
  157. ^ The Animus intends to go to Earth to obtain mastery of space from the human race.
  158. ^ a b c d e f The story is set on a human extraterrestrial colony.
  159. ^ The pilot told the Doctor the colony "was founded many centuries ago".
  160. ^ a b The story is set on a future Earth.
  161. ^ Caven describes Madeleine Issigri as "the Head of the Issigri Mining Company and very important back on Earth". General Hermack says people like Milo Clancey were the first men to go into deep space.
  162. ^ a b Monster of Peladon is a sequel to Curse, with various references to it taking place 50 years later. In both stories, Earth is a member of the Galactic Federation.
  163. ^ a b The story involves a human expedition to another planet.
  164. ^ a b c d The Daleks are seen being created in Genesis of the Daleks. In Destiny of the Daleks (DotD), the Doctors says that the Daleks were created "thousands of years ago on Skaro". Also in DotD Tyssan served with Earth's deep space fleet and at the end a high security ship is to bring Davros back to Earth to stand trial and he is placed in a cryogenetic freezer, which puts him in a solid block of ice. He is apparently still in this state whilst imprisoned in Resurrection of the Daleks. Speaking to Lytton, Davros explains that his cryogenic sentence lasted for "90 years of mind-numbing boredom." In Revelation of the Daleks, Davros relates how he escaped the space station in Resurrection by escape pod, ending up on Necros.
  165. ^ Solon wonders if he will ever see Earth again. The Doctor knows Solon is a Terran neurosurgeon and that Solon's time is considerably after Sarah's.
  166. ^ Prof Rumford says that the Nine Travellers had been standing since "about 2000 BC, nearly 4,000 years." Vivian Fay later added: "...some kind of sisterhood, that's been worshipping these stones for – when was the convent founded? 12th Century was it? – for 700 odd years."
  167. ^ Garron is from Earth and familiar with interstellar travel and government.
  168. ^ The Gaztaks - who do not appear to have time travel capabilities - kidnap an ordinary Earth man who appears to be contemporary.
  169. ^ The Tower was the Earth spaceship Hydrax. The rebels said the Doctor was "their first real hope in a thousand years".
  170. ^ Bogon said he was from ancient Athens, and on the ship for 2,000 years.
  171. ^ In Arc of Infinity Tegan references the Doctor leaving her behind at the end of Time-Flight.
  172. ^ The story is set on a human space station.
  173. ^ The twins, Romulus and Remus, are from Earth. Their kidnapping is investigated by Hugo Lang, a member of a police service operating in space. Policewoman Elena’s computer screen says that last contact with freighter X.V.773 was on 12-99; she says the freighter "was reported missing, believed destroyed, 8 months ago."
  174. ^ The Doctor threatens to take Peri "back to 1985".
  175. ^ The Doctor tells Ace they are several years in her future.
  176. ^ Ace is referred to as being missing for 'a short while'.
  177. ^ Rose phones her mother. Jackie's dialogue, in that she does appear concerned as to Rose's welfare, implies that from her point of view the conversation takes place before "Rose". At the episode's end, the Doctor and Rose arrive in an apparently contemporary setting and he asks her if she wants to go home (in "Aliens of London" the Doctor says he intended to return Rose 12 hours after she left).
  178. ^ The story takes place on a human spaceship and reference is made to The Beatles and Elvis Presley.
  179. ^ The storyline concerns human vacationers on a holiday planet.
  180. ^ Rose initially asks to go forward in time 100 years, but on arrival the Doctor says it's boring and moves to 12005 and then to the year 5,000,000,000.
  181. ^ Tribe, Steve (2009). Doctor Who: Companions and Allies. BBC Books. ISBN 1846077494. 
  182. ^ a b This refers to the Tenth Doctor placement. The Fifth Doctor placement in "Time Crash" is unknown.
  183. ^ The Castellan appears in both stories. In Arc of Infinity he plays a role in the Doctor's 'execution', and in The Five Doctors he accuses the Doctor of seeking revenge. He is killed during the latter story.
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