Star Trek: The Original Series (season 1)

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Star Trek: The Original Series
Season 1
Star Trek The Original Series season 1.png
DVD and Blu-ray cover
Country of originUnited States
No. of episodes29
Original networkNBC
Original releaseSeptember 8, 1966 (1966-09-08) –
April 13, 1967 (1967-04-13)
Season chronology
Next →
Season 2
List of Star Trek: The Original Series episodes

The first season of the American science fiction television series Star Trek: The Original Series, originally created by Gene Roddenberry, premiered on NBC on September 8, 1966 and concluded on April 13, 1967. It consisted of twenty-nine episodes, which is the highest number of episodes in a season for The Original Series of Star Trek. It features William Shatner as Captain James T. Kirk, Leonard Nimoy as Spock, and DeForest Kelley as Leonard McCoy.

Broadcast history[edit]

The season originally aired Thursdays at 8:30-9:30 pm (EST) on NBC.



No. in
TitleStardate[1]Directed byWritten byOriginal air date [2]Prod.
11"The Man Trap"1513.1Marc DanielsGeorge Clayton JohnsonSeptember 8, 1966 (1966-09-08)06
The Enterprise visits planet M-113 for a routine medical inspection of the husband-wife archaeological team stationed there, but the crew finds that the wife has been replaced by a deadly, shape-shifting creature who kills by extracting salt from the victim's body.[3]
22"Charlie X"1533.6Lawrence DobkinStory by : Gene Roddenberry
Teleplay by : D. C. Fontana
September 15, 1966 (1966-09-15)08
The Enterprise picks up Charlie Evans, an unstable 17-year-old boy, who spent 14 years alone on a deserted planet and lacks the training and restraint to handle his superhuman mental powers wisely.[3] This episode serves as the backstory for the unofficial mini-series Star Trek: Of Gods and Men.
33"Where No Man Has Gone Before"1312.4James GoldstoneSamuel A. PeeplesSeptember 22, 1966 (1966-09-22)02b
After the Enterprise attempts to cross the Great Barrier at the edge of the galaxy, crew members Gary Mitchell and Elizabeth Dehner develop "godlike" psychic powers which threaten the safety of the crew.[3]
44"The Naked Time"1704.2Marc DanielsJohn D. F. BlackSeptember 29, 1966 (1966-09-29)07
A strange, intoxicating infection, which lowers the crew's emotional inhibitions, spreads throughout the Enterprise. As the madness spreads, the entire ship is endangered.[3]
55"The Enemy Within"1672.1Leo PennRichard MathesonOctober 6, 1966 (1966-10-06)05
While beaming up from planet Alpha 177, a transporter accident splits Captain Kirk into two beings: one "good", who is weak and indecisive, and one "evil", who is overly aggressive and domineering.[3]
66"Mudd's Women"1329.8Harvey HartStory by : Gene Roddenberry
Teleplay by : Stephen Kandel
October 13, 1966 (1966-10-13)04
The Enterprise pursues a vessel and rescues its occupants Harry Mudd, an interstellar con man, who is transporting three mysteriously beautiful women to become the wives of dilithium miners. [3]
77"What Are Little Girls Made Of?"2712.4James GoldstoneRobert BlochOctober 20, 1966 (1966-10-20)10
In search of Nurse Chapel's fiancé, renowned exobiologist Roger Korby, the Enterprise visits the icy planet Exo III, where Korby has discovered an ancient machine which allows him to duplicate any living person with an android replacement. Korby plans to use the machine to spread controlled androids throughout the Federation, and replaces Captain Kirk with such a duplicate in an effort to take over the Enterprise.[3]
88"Miri"2713.5Vincent McEveetyAdrian SpiesOctober 27, 1966 (1966-10-27)12
After discovering what appears to be a duplicate of the planet Earth, Captain Kirk and his landing party find a population ravaged by a strange disease, which only children appear to have survived.[3]
99"Dagger of the Mind"2715.1Vincent McEveetyShimon Wincelberg[a]November 3, 1966 (1966-11-03)11
While on a re-supply mission to a rehabilitation colony for the criminally insane, the Enterprise crew discover that the chief doctor has been using a device which destroys the human mind. Kirk and a female crew member, down on the planet, must deal with the problem up close and personal. Spock performs a mind meld for the first time in this episode.[3]
1010"The Corbomite Maneuver"1512.2Joseph SargentJerry SohlNovember 10, 1966 (1966-11-10)03
The Enterprise is menaced by a gigantic alien ship whose commander condemns the crew to death. The alien ship appears all-powerful and the alien commander refuses all attempts at negotiation, forcing Kirk to employ an unorthodox strategy to save the ship.[3]
1111"The Menagerie, Part I"3012.4Marc DanielsGene RoddenberryNovember 17, 1966 (1966-11-17)16A
Spock hijacks the Enterprise to take his crippled former captain, Christopher Pike, to the forbidden world of Talos IV. He then demands a court martial where he uses the events of "The Cage" to tell the tale of Pike's captivity on the planet years earlier.[3]
1212"The Menagerie, Part II"3013.1Robert ButlerGene RoddenberryNovember 24, 1966 (1966-11-24)16B
After witnessing the Talosians' capabilities of mental illusion, Kirk realizes that Spock intends to return Pike to the planet to live a life of illusion, unencumbered by his crippled condition.[3]
1313"The Conscience of the King"2817.6Gerd OswaldBarry TriversDecember 8, 1966 (1966-12-08)13
While visiting an old friend, Kirk suspects a Shakespearean actor may actually be the murderous former governor of Tarsus IV where Kirk grew up. Kirk invites the acting troupe aboard the Enterprise in order to investigate, but soon assassination attempts are made on Kirk and another crewman who was an eyewitness to the murders.[3]
1414"Balance of Terror"1709.2Vincent McEveetyPaul SchneiderDecember 15, 1966 (1966-12-15)09
While investigating a series of destroyed outposts, the Enterprise discovers a lone Romulan vessel with a cloaking device. The Romulans, having never been seen by humans, are revealed to visually resemble Vulcans, casting doubt on Mr. Spock's loyalty as the two ships become locked in a cat-and-mouse battle through space.[3]
1515"Shore Leave"3025.3Robert SparrTheodore SturgeonDecember 29, 1966 (1966-12-29)17
Captain Kirk orders shore leave for the Enterprise crew on a seemingly uninhabited planet in the Omicron Delta system. The landing parties begin to see strange sights, such as a White Rabbit a la Alice in Wonderland, Don Juan, and a sword-wielding samurai. Also, Kirk sees (and fights) an image of Finnegan, a rival from his Starfleet Academy days. Spock discovers that the planet seems to be drawing a large amount of energy from the ship's engines, placing the Enterprise in danger.[3]
1616"The Galileo Seven"2821.5Robert GistStory by : Oliver Crawford
Teleplay by : Oliver Crawford and Shimon Wincelberg[a]
January 5, 1967 (1967-01-05)14
Spock and a scientific party are sent to study the Murasaki 312 quasar aboard the shuttle Galileo. During the survey, the Galileo is forced to make an emergency landing on the planet Taurus II, where the crew fight the planet's dangerous inhabitants. As the crew begin to make repairs, Scotty determines that the shuttle does not have enough fuel to reach orbit carrying all seven passengers, and Spock must contemplate leaving some of his fellow crew behind.[3]
1717"The Squire of Gothos"2124.5Don McDougallPaul SchneiderJanuary 12, 1967 (1967-01-12)18
The Enterprise discovers a rogue planet drifting through space, inhabited by an eccentric being named Trelane who uses his apparently unlimited power over matter and form to manipulate the crew.[3]
1818"Arena"3045.6Joseph PevneyStory by : Fredric Brown
Teleplay by : Gene L. Coon
January 19, 1967 (1967-01-19)19
The Enterprise comes under attack by unknown aliens while investigating the near destruction of the Cestus III colony. While chasing the aliens into unexplored space, both ships are captured by the powerful Metrons, who force Kirk and the alien captain (later identified as a member of the Gorn race) to trial by combat: the winner's vessel will be set free, while the loser's ship will be destroyed.[3]
1919"Tomorrow Is Yesterday"3113.2Michael O'HerlihyD. C. FontanaJanuary 26, 1967 (1967-01-26)21
After accidentally traveling back in time to 1969, the Enterprise rescues USAF Captain John Christopher from his crippled fighter jet. The crew struggles to return to their own time, while simultaneously returning Christopher to the Air Force, removing his knowledge of the future and all record of contact with the Enterprise.[3]
2020"Court Martial"2947.3Marc DanielsStory by : Don M. Mankiewicz
Teleplay by : Don M. Mankiewicz and Steven W. Carabatsos
February 2, 1967 (1967-02-02)15
Captain Kirk is placed on trial for negligence after a crewman is killed during a severe ion storm. Kirk maintains that his actions were proper and should not have led to the officer's death, but the evidence seems strong against him. Will Kirk's crew be able to save the captain from conviction?[3]
2121"The Return of the Archons"3156.2Joseph PevneyStory by : Gene Roddenberry
Teleplay by : Boris Sobelman
February 9, 1967 (1967-02-09)22
The Enterprise discovers a planetary population controlled by a powerful being called Landru. While investigating, Captain Kirk and his landing party are taken captive and discover that the Enterprise crew will be the next to be "absorbed" into Landru's control.[3]
2222"Space Seed"3141.9Marc DanielsStory by : Carey Wilber
Teleplay by : Gene L. Coon and Carey Wilber
February 16, 1967 (1967-02-16)24
The Enterprise discovers an ancient sleeper ship, the SS Botany Bay, which escaped from Earth's Eugenics Wars in the late 20th century. The genetically engineered passengers, led by war criminal Khan Noonien Singh, seize control of the Enterprise and attempt to destroy the ship. (This episode serves as the backstory to the second Star Trek film).[3]
2323"A Taste of Armageddon"3192.1Joseph PevneyStory by : Robert Hamner
Teleplay by : Robert Hamner and Gene L. Coon
February 23, 1967 (1967-02-23)23
On Eminiar VII, the Enterprise finds a civilization at war with its planetary neighbor. Unable to discern any signs of battle from orbit, Captain Kirk leads a landing party to the surface where he discovers the entire war is fought by computer. Even though the war is simulated, citizens who are listed as virtual casualties still report to termination booths to be killed for real. After the Enterprise is destroyed in an attack simulation, Kirk must fight to keep his crew from death.[3]
2424"This Side of Paradise"3417.3–3417.7Ralph SenenskyStory by : Jerry Sohl[b] and D. C. Fontana
Teleplay by : D. C. Fontana
March 2, 1967 (1967-03-02)25
Despite exposure to fatal radiation, the Federation colony on Omicron Ceti III appears to be thriving. A landing party from the Enterprise investigates, finding the colony's population to be healthy beyond explanation. Leila Kalomi, an old friend of Mr. Spock, shows the landing party strange flowers that seem to impose a state of pure bliss on all exposed to its spores (even Spock), but at the cost of ambition and self-discipline. Will the Enterprise crew succumb to the effects?[3]
2525"The Devil in the Dark"3196.1Joseph PevneyGene L. CoonMarch 9, 1967 (1967-03-09)26
Dispatched to the mining colony on Janus VI, the Enterprise is tasked to investigate rumors of a strange, subterranean creature responsible for destruction of equipment and the deaths of fifty miners. Kirk and Spock discover a silicon-based life form, a Horta, which lives in the surrounding rock. After Kirk and his Vulcan first officer find the strange creature, Spock performs a mind meld, discovering the reason behind the Horta's attacks.[3]
2626"Errand of Mercy"3198.4John NewlandGene L. CoonMarch 23, 1967 (1967-03-23)27
Peace negotiations have collapsed between the Federation and the warlike Klingon Empire. The Enterprise is ordered to protect Organia, a peaceful planet located near the Klingon border. Kirk and Spock beam to the surface to warn the Organians about the Klingons, but soon a Klingon fleet arrives, forcing the Enterprise to abandon the duo on the planet. The natives protect Kirk and Spock, even as Kor, the new Klingon governor, orders mass executions of the Organian people. As both Federation and Klingon fleets converge above the planet, Kirk and Spock execute a daring raid on the Klingon headquarters in an effort to destabilize their control over the planet.[3]
2727"The Alternative Factor"3087.6Gerd OswaldDon IngallsMarch 30, 1967 (1967-03-30)20
While orbiting an apparently dead planet, the Enterprise seems to experience a strange moment of "nonexistence". Captain Kirk discovers a man named Lazarus on the planet below, who claims the effect was caused by his "enemy", later revealed to be an insane version of Lazarus from an alternate dimension. The sane version of Lazarus asks for Kirk's help in defeating his counterpart.[3]
2828"The City on the Edge of Forever"3134.0Joseph PevneyHarlan EllisonApril 6, 1967 (1967-04-06)28

After accidentally overdosing on a powerful stimulant, Dr. McCoy becomes unbalanced and disappears through the Guardian of Forever, a newly discovered time portal on a remote planet. Kirk and Spock follow after learning that McCoy somehow changed history, removing everything they once knew; including the Enterprise. Arriving in the 1930s, the duo meet Edith Keeler, a New York social worker who gives them a place to stay. As the days pass, and McCoy is nowhere to be seen, Kirk finds himself falling in love with Keeler... but Spock discovers that Keeler must die to restore the timeline.[3]

In 1997, TV Guide ranked this "Hugo Award"-winning episode #92 on its list of the 100 Greatest Episodes.[4] In 2009, it moved to #80.[5]
2929"Operation -- Annihilate!"3287.2Herschel DaughertySteven W. CarabatsosApril 13, 1967 (1967-04-13)29
The Enterprise arrives at Deneva - the home of Captain Kirk's brother, Sam and his family - and discovers that the entire planet has been infested with large, amoeba-like aliens that have attacked and killed much of the human population. One of these aliens attaches itself to Spock, who volunteers to become a subject in Dr. McCoy's medical tests. Can McCoy and Kirk find a cure in time to save Spock and the remainder of the Denevan population?[3]
  1. ^ a b Credited as S. Bar-David
  2. ^ Credited as Nathan Butler

Home release[edit]

The season was released on DVD, HD-DVD, and Blu-ray by Paramount Home Entertainment.

Season 1 was also released on the HD-DVD format as a ten disc set in late 2007.[6] The remastered DVD box from this time period are HD-DVD combo discs, which play in DVD players at standard definition, but also have a high definition recording that can be played in an appropriate HD-DVD player.[7] HD-DVD was overall discontinued, so only season 1 was released on HD-DVD although the later two seasons were still released as remastered DVD versions and later on the whole series was released on Blu-Ray sets (another high-definition optical disc format). There was a promotion in which by purchasing a HD-DVD player and a remastered HD-DVD Star Trek season 1, they could acquire a remote control shaped like Star Trek original series phaser prop.[8] Toshiba had partnered with Paramount to release the original series in remastered format, to support its then=new HD-DVD optical video disc format.[9]

In the late 20th century many episodes were also released on videocassette formats including VHS and Betamax.[10] Star Trek played a special role in the pioneering of the home video market, when they offered a Season 1 episode in a special promotion with the Star Trek II film.[10] One of the episodes of season 1 was a top seller on videocassette in 1982 and early 1983, the episode "Space Seed".[10]

In the 2010s, Season 1 was released as part of the Star Trek 50th Anniversary set, which included the 3 seasons of the original series, original cast films up to Star Trek VI, and the 1970s animated series on Blu-Ray optical discs.[11]


In 2019, CBR rated Season 1 of Star Trek (1966-1969 series) as the 10th best season of all Star Trek seasons up to that time, comparing it to seasons of later series.[12]

See also[edit]


  1. ^ Trimble, Bjo (1976). Star Trek Concordance. New York: Ballantine Books. pp. 12–13. ISBN 0-345-25137-7.
  2. ^ Trimble, Bjo (1976). Star Trek Concordance. New York: Ballantine Books. pp. 37–89. ISBN 0-345-25137-7.
  3. ^ 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 "Star Trek: Episodes (Season 1)". Archived from the original on 2009-06-21. Retrieved 2009-06-04.
  4. ^ "Special Collector's Issue: 100 Greatest Episodes of All Time". TV Guide (June 28-July 4). 1997.
  5. ^ "TV Guide's Top 100 Episodes". Rev/Views. Retrieved July 4, 2016.
  6. ^ [1]
  7. ^ [2]
  8. ^ [3]
  9. ^ [4]
  10. ^ a b c [5]
  11. ^ [6]
  12. ^ "Every Star Trek Season of TV Ever, Ranked from Worst to Best". CBR. 2019-01-04. Retrieved 2019-03-26.