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In fiction, continuity (also called time-scheme) is consistency of the characteristics of people, plot, objects, and places seen by the reader or viewer over some period of time. It is of relevance to several media.
Continuity is particularly a concern in the production of film and television due to the difficulty of rectifying an error in continuity after shooting has wrapped up. It also applies to other art forms, including novels, comics, and videogames, though usually on a smaller scale.
Most productions have a script supervisor on hand whose job is to pay attention to and attempt to maintain continuity across the chaotic and typically non-linear production shoot. This takes the form of a large amount of paperwork, photographs, and attention to and memory of large quantities of detail, some of which is sometimes assembled into the story bible for the production. It usually regards factors both with-in the scene and often even technical details including meticulous records of camera positioning and equipment settings. The use of a Polaroid camera was standard but has since been replaced by the advent of digital cameras. All of this is done so that ideally all related shots can match, despite perhaps parts being shot thousands of miles and several months apart. It is a less conspicuous job, though, because if done perfectly, no one will ever notice.
In comic books, continuity has also come to mean a set of contiguous events, sometimes said to be "set in the same universe" (see fictional crossover and fictional universe) or "separate universes" (see intercompany crossover).
Today, maintaining strong plot and character continuity is also a high priority for many writers of long-running television series.
Continuity errors 
Whilst most continuity errors are subtle, such as changes in the level of drink in a character's glass or the length of a cigarette, others can be more noticeable, such as sudden drastic changes in appearance of a character. Such errors in continuity can ruin the illusion of realism and affect suspension of disbelief.
In cinema, special attention must be paid to continuity because films are rarely shot in the order in which they are presented. The shooting schedule is often dictated by location permit issues. A character may return to Times Square in New York City several times throughout a movie, but as it is extraordinarily expensive to close off Times Square, those scenes will likely be filmed all at once to reduce permit costs. Weather, the ambience of natural light, cast and crew availability, or any number of other circumstances can also influence a shooting schedule.
Attempts to prevent continuity errors in film 
Film production companies have various techniques to prevent continuity errors. First would be to film all the shots for a particular scene together, and all shots of consecutive scenes together (if the scenes take place together, with no break between them in the film's timeline). This allows actors to remain in costume, in character, and in the same location (and with the same weather, if shooting on location).
The second major technique is for costume designers, production designers, prop masters, and make-up artists to take instant photographs of actors and sets at the beginning and end of each day's shooting (once made possible by Polaroid cameras, now done with digital cameras and cell phones as well). This allows the various workers to check each day's clothing, set, props, and make-up against a previous day's.
The third is to avoid shooting on location entirely, but instead film everything on a studio set. This allows weather and lighting to be controlled (as the shooting is indoors), and for all clothing and sets to be stored in one place to be hauled out the next day from a secure location.
Editing errors 
Editing errors can occur when a character in a scene references a scene or incident that has not occurred yet, or of which they should not yet be aware.
An example of an editing error can be seen in the film It's a Mad, Mad, Mad, Mad World (1963), where a scene of people climbing a slope at the start is seen from below and then replayed from above.
Visual errors 
Visual errors are instant discontinuities occurring in visual media such as film and television. Items of clothing change colors, shadows get longer or shorter, items within a scene change place or disappear, etc.
One of the earliest examples of a visual error appears in Charlie Chaplin's "The Property Man" of 1914. Here, in a supposedly smooth step from one room to another, the Tramp loses his hat in one room, but it is instantly back on his head as he enters the next room. Rather "loose" plots and a lack of continuity editing made most early films rife with such errors.
Another example occurs in the 1998 film Waking Ned, when two of the film's characters, Jackie and Michael, are walking through a storm towards Ned's house. The umbrella they are under is black during their conversation as they walk towards the house (filmed from slightly above and to the front), yet after cutting to a lower shot (filmed from behind Jackie), Michael walks onscreen from the right holding an umbrella that is not black but beige, with a brown band at the rim.
Though visual continuity errors are logically confined to visual media, parallel mistakes can occur in text. In "The Miller's Tale" in Chaucer's The Canterbury Tales, a door is ripped off its hinges only to be slowly closed again in the next scene.
Plot errors 
A plot error, or a plot hole as it's commonly known, reflects a failure in the consistency of the created fictional world. A character might state he was an only child, yet later mention a sibling. In the TV show Cheers, Frasier Crane's wife Lilith mentions Frasier's parents are both dead. When the character was spun off into Frasier, his father became a central character with, in a case of retroactive continuity, the explanation that Frasier was embarrassed about his father's lowbrow attitudes and thus claimed his death. This is a frequent occurrence in sitcoms, where networks may agree to continue a show, but only if a certain character is emphasized, leading other minor characters to become victims of Chuck Cunningham Syndrome, while the emphasized character (usually a breakout character) (as in the case of Frasier Crane) develops a more complete back story that ignores previous, more simplified back stories.
Homeric Nod 
|Look up Homer nods in Wiktionary, the free dictionary.|
... et idem
indignor quandoque bonus dormitat Homerus
... and yet I also become annoyed whenever the great Homer nods off.
There are numerous continuity errors in Homer that resemble "nods", as for example:
- In Iliad Menelaos kills a minor character, Pylaimenes, in combat; who is later still alive to witness the death of his son.
- In Iliad 9.165-93 three characters, Phoinix, Odysseus, and Aias set out on an embassy to Achilleus; however, at line 182 the poet uses a verb in the dual form to indicate that there are only two people going; at lines 185ff. verbs in the plural form are used, indicating more than two; but another dual verb appears at line 192 ("the two of them came forward").
In modern Homeric scholarship many of Homer's "nods" are explicable as the consequences of the poem being retold and improvised by generations of oral poets. So in the second case cited above, it is likely that two different versions are being conflated: one version with an embassy of three people, another with just two people.
Alexander Pope was inclined to give Homeric nods the benefit of the doubt:
Those oft are Stratagems which Errors seem,
Nor is it Homer Nods, but We that Dream. - Essay on Criticism
Modern usage 
Aging discrepancies 
The practice of accelerating the age of a television character (usually a child or teenager) in conflict with the timeline of a series and/or the real-world progression of time is popularly known as Soap Opera Rapid Aging Syndrome, or SORAS. Children unseen on screen for a time might reappear portrayed by an actor several years older than the original. Usually coinciding with a recast, this rapid aging is typically done to open up the character to a wider range of storylines, and to attract younger viewers. A recent example of this occurring is in the BBC's Merlin series, in which Mordred is initially played by a young child in Season 4, yet suddenly grows up into his late teens in time for the start of Season 5, with the rest of the characters aging by only 3 years.
Deliberate continuity errors 
Sometimes a work of fiction may deliberately employ continuity errors, usually for comedy. For example, the Marx Brothers' classic film Duck Soup, at the climax of the film, the camera shows a shot of Groucho Marx speaking a line, followed by a shot of something else happening, followed by another shot of Groucho. Each time, Groucho's hat changes, usually to something more outrageous than before (a Napoleonic hat, a Prussian hat, etc.).
Dealing with errors 
||It has been suggested that Fanwank be merged into this article. (Discuss) Proposed since July 2012.|
When continuity mistakes have been made, explanations are often proposed by either writers or fans to smooth over discrepancies. Fans sometimes make up explanations for such errors that may or may not be integrated into canon; this has come to be colloquially known as fanwanking (a term originally coined by the author Craig Hinton to describe excessive use of continuity). Often when fans do not agree with one of the events in a story (such as the death of a favorite character), they will choose to ignore the event in question so that their enjoyment of the franchise is not diminished. When the holder of the intellectual property discards all existing continuity and starts from scratch it is known as rebooting. Fans call a less extreme literary technique that erases one episode the reset button.
Discrepancies in past continuity are sometimes made deliberately; this is known as retconning. Retcons are also sometimes used to either correct or cover up a perceived error. These changes may be made either by the same writer who made it, or more commonly by an author that has taken over the creative lead of a corporate owned show or publication. Not to be confused with the continuance of a reality (continuality).
Real time programs vs traditional films 
Television programs like 24, in which actors have to appear as if it is the same day for 24 consecutive episodes, have raised public recognition of continuity. However, traditional films have frequently had much of the same sort of the issues to deal with; film shoots may last several months and as scenes are frequently shot out of story sequence, footage shot weeks apart may be edited together as part of the same day's action in the completed film. In some ways, 24 presents a simpler situation, as costumes and hairstyles generally should not change very frequently; in many feature films a range of different hairstyles and costumes must be created, changed, and then recreated exactly, as various scenes are shot.
- Lines 358-359.
- Book V Lines 576-579
- Book XIII Lines 643-659
- Clayton-Millar, Kim (April 24, 2006). "Soaps' rising stars". Tonight. Independent News & Media. Retrieved December 17, 2009–12.
- Bird, S. Elizabeth (2003). The Audience in Everyday Life: Living in a Media World. New York: Routledge. p. 135. ISBN 0-415-94259-4. Retrieved December 12, 2009.
- Parkin, Lance; with additional material by Lars Pearson (2007). AHistory: An Unauthorized History of the Doctor Who universe (2nd ed.). Des Moines, Iowa: Mad Norwegian Press. p. 13. ISBN 978-0-9759446-6-0.
Further reading 
- Miller, Pat (December 1998). Script Supervising and Film Continuity, Third Edition. Focal Press. ISBN 0-240-80294-2.
- Gillan, Audrey (2008-11-10). "An Aston Martini, stirred not shaken, please Pennymoney / Site lists 007 continuity gaffes in new Bond film / Odd Corsas, corpses and capitals spotted in movie". The Guardian. Retrieved 2008-12-21.
- Stamberg, Susan (2008-02-21). "When Continuity Counts, Call a Script Girl — Er, Guy". National Public Radio. Retrieved 2008-12-21.
- Miller, Susan W. (2005-08-05). "Career Counselor: Script Supervisor". Los Angeles Times. Retrieved 2008-12-21.[dead link]