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Released
1966 · TV SERIES

Star Trek

Captain James T. Kirk leads the starship Enterprise on a five‑year mission to chart unknown worlds, but each daring exploration pits his diverse crew against hostile aliens, time anomalies and existential threats that could end humanity’s quest for the stars.

First aired
1966
Rated
TV-PG
Seasons
3 seasons
Sci-Fi & FantasyDrama

Space. The Final Frontier. The U.S.S. Enterprise embarks on a five year mission to explore the galaxy. The Enterprise is under the command of Captain James T. Kirk with First Officer Mr. Spock, from the planet Vulcan. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonian Singh. Their mission is to explore strange new worlds, to seek new life and new civilizations, and to boldly go where no man has gone before.

Seasons & Episodes

  1. 1.01The Man TrapSep 8, 1966Rate

    In an episode of *Star Trek*, Dr. Leonard "Bones" McCoy reunites with a former girlfriend when the USS Enterprise arrives on a remote planet to deliver supplies to an archaeological team. While he finds her still physically appealing, she possesses a hidden and dangerous secret that threatens the safety of the crew.

  2. 1.02Charlie XSep 15, 1966Rate

    Charles Evans, a 17-year-old boy raised by non-physical entities, joins the Enterprise. However, he struggles to control his powerful psionic abilities, which lead to dangerous consequences.

  3. 1.03Where No Man Has Gone BeforeSep 22, 1966Rate

    The *Enterprise* encounters a mysterious force field at the edge of the galaxy, which triggers a dramatic enhancement of one crew member's psionic abilities, leading to dangerous and uncontrollable behavior.

  4. 1.04The Naked TimeSep 29, 1966Rate

    A mysterious alien virus infects the *Enterprise* crew, causing them to lose their inhibitions and act on repressed emotions, while the ship is drawn toward a nearby planet's powerful gravitational pull.

  5. 1.05The Enemy WithinOct 6, 1966Rate

    A transporter accident causes Captain Kirk to split into two separate versions of himself—one representing his positive traits and the other his negative ones—each embodying different aspects of his personality. The episode examines how neither version is capable of effectively commanding the Enterprise on its own.

  6. 1.06Mudd's WomenOct 13, 1966Rate

    The *Enterprise* rescues a shipwrecked crew from an asteroid belt and takes on board Harry Mudd, a skilled conman, and his unusual cargo—three attractive women seeking husbands.

  7. 1.07What Are Little Girls Made Of?Oct 20, 1966Rate

    The USS Enterprise aids Nurse Christine Chapel in her search for her missing fiancé, which leads them to Dr. Korby. He is secretly working on creating android replicas of key figures, beginning with Captain James Kirk.

  8. 1.08MiriOct 27, 1966Rate

    A *Star Trek* landing party led by Captain James T. Kirk arrives on a planet inhabited by children whose aging process has been artificially slowed. The crew members contract a deadly virus that affects adults, leading Kirk to seek a resolution despite violent confrontations with the planet's inhabitants. Throughout the mission, Kirk remains committed to helping the children and uncovering the truth behind their situation.

  9. 1.09Dagger of the MindNov 3, 1966Rate

    A man who has escaped from the Tantalus Penal Colony arrives aboard the Enterprise, displaying signs of violent insanity. Captain Kirk, however, suspects that the man may have been a staff member at the facility rather than an inmate. As Kirk investigates the colony, he uncovers disturbing methods that were used to control the inmates' minds.

  10. 1.10The Corbomite ManeuverNov 10, 1966Rate

    Captain Kirk warns an alien captain that the Enterprise carries a powerful explosive capable of destroying both ships, prompting an unexpected response from the alien adversary.

  11. 1.11The Menagerie (1)Nov 17, 1966Rate

    Kirk, Spock, and McCoy travel to Star Base 11 to visit Christopher Pike, a former Enterprise commander who is now paralyzed and disfigured. Spock unexpectedly takes control of the Enterprise before turning himself in for a court martial.

  12. 1.12The Menagerie (2)Nov 24, 1966Rate

    A court martial hearing involving Spock reveals Captain Pike's past experience on Talos IV, where the technologically advanced Talosians sought to persuade him to father children with chosen women. The disclosure provides insight into Pike's prior choices and the moral challenges he encountered.

  13. 1.13The Conscience of the KingDec 8, 1966Rate

    Kirk is contacted by a witness to the crimes of the mass murderer Kodos the Executioner, leading him to suspect that Kodos may be hiding in plain sight as part of a traveling theater group.

  14. 1.14Balance of TerrorDec 15, 1966Rate

    During an investigation into a Romulan threat, the Enterprise discovers a revelation that calls into question the loyalty of one of its senior officers.

  15. 1.15Shore LeaveDec 29, 1966Rate

    Upon encountering the White Rabbit from *Alice in Wonderland*, the crew begins to suspect that the planet they've landed on has a mysterious and dangerous ability to manifest thoughts into reality.

  16. 1.16The Galileo SevenJan 5, 1967Rate

    Seven members of the *Galileo* shuttlecraft crew crash-land on a planet inhabited by aggressive giants, losing communication with the *Enterprise* and struggling to escape the planet's atmosphere.

  17. 1.17The Squire of GothosJan 12, 1967Rate

    While exploring an uncharted planet in a remote area of space, the USS Enterprise crew encounters Trelane, a powerful and mischievous entity who uses his psionic abilities to manipulate and entertain them, often without regard for the consequences.

  18. 1.18ArenaJan 19, 1967Rate

    In a tense standoff, Kirk and the alien captain are compelled to engage in a duel on an asteroid, orchestrated by powerful entities that have taken control of their ships and placed their crews in danger.

  19. 1.19Tomorrow Is YesterdayJan 26, 1967Rate

    The *Enterprise* is sent back to 20th-century Earth as a result of an unforeseen accident, requiring the crew to manage the difficulties of the past while making sure they do not change historical events.

  20. 1.20Court MartialFeb 2, 1967Rate

    In *Court-Martial*, Captain James T. Kirk is put on trial following the death of a crewman during an ion storm, which puts his command and future in jeopardy. The trial scrutinizes his decisions and leadership under extreme conditions. Evidence and testimonies are presented to determine whether Kirk is responsible for the loss.

  21. 1.21The Return of the ArchonsFeb 9, 1967Rate

    The *Enterprise* investigates a planet inhabited by a peaceful society governed by a being named Landru, who offers the crew the opportunity to join his utopian world.

  22. 1.22Space SeedFeb 16, 1967Rate

    The *Enterprise* encounters a group of genetically enhanced humans from the 20th century, led by the ambitious and ruthless Khan, who seeks to establish a new empire.

  23. 1.23A Taste of ArmageddonFeb 23, 1967Rate

    The *Enterprise* journeys to a planet to begin diplomatic negotiations but becomes involved in a secret and damaging conflict that is presented as a peaceful endeavor.

  24. 1.24This Side of ParadiseMar 2, 1967Rate

    The crew of the *Enterprise* tries to save a colony facing dangerous radiation levels, only to encounter strange alien spores that cause euphoric hallucinations. As the colonists fall under the spores' influence, the crew faces the challenge of responding to what seems to be an alluring but possibly dangerous illusion of paradise.

  25. 1.25The Devil in the DarkMar 9, 1967Rate

    Captain Kirk investigates a series of violent murders on a remote mining planet, where the victims seem to have been attacked by an unidentified and aggressive alien creature.

  26. 1.26Errand of MercyMar 23, 1967Rate

    As tensions escalate between the Federation and the Klingon Empire, Captain Kirk investigates Organia, a peaceful planet that inadvertently becomes a focal point in the growing conflict.

  27. 1.27The Alternative FactorMar 30, 1967Rate

    In the episode, Captain Kirk and Mr. Spock encounter an enigmatic being named Lazarus, who claims to be from a universe composed of anti-matter. Lazarus displays unusual abilities and asserts that he has visited other star systems. The encounter prompts questions regarding his true origins and intentions.

  28. 1.28The City on the Edge of ForeverApr 6, 1967Rate

    Captain Kirk and Mr. Spock go on a mission to the past to reverse an alteration that endangers the course of history.

  29. 1.29Operation: Annihilate!Apr 13, 1967Rate

    In this episode, Captain Kirk and the crew of the *Enterprise* confront a perilous mission as they encounter parasitic aliens that present a deadly threat to an entire population.

  1. 2.01Amok TimeSep 15, 1967Rate

    First Officer Spock returns to Vulcan to participate in the Pon farr, a demanding and physically intense mating ritual that tests his emotional and mental control.

  2. 2.02Who Mourns for Adonais?Sep 22, 1967Rate

    The crew of the Enterprise is captured and subjected to trials by an enigmatic alien who is later revealed to be the ancient Greek god Apollo.

  3. 2.03The ChangelingSep 29, 1967Rate

    The USS Enterprise investigates a mysterious and seemingly unstoppable space probe capable of annihilating planets, forcing the crew to find a way to neutralize its destructive threat.

  4. 2.04Mirror, MirrorOct 6, 1967Rate

    Captain Kirk and his crew are accidentally transported to a parallel universe where they encounter their evil counterparts and find themselves aboard the Terran Empire's version of the Enterprise, a stark contrast to their own peaceful Federation.

  5. 2.05The AppleOct 13, 1967Rate

    The crew of the *Enterprise* investigates an idyllic planet that is governed by an advanced computer system, which is carefully maintained by the native inhabitants.

  6. 2.06The Doomsday MachineOct 20, 1967Rate

    The USS Enterprise and its damaged sister ship, the USS Constellation, join forces to confront a destructive alien device threatening to destroy planets in Federation space.

  7. 2.07CatspawOct 27, 1967Rate

    The *Enterprise* and its crew encounter a dangerous situation involving two powerful alien entities that present a significant threat to their safety and the success of their mission.

  8. 2.08I, MuddNov 3, 1967Rate

    In this encounter, Captain Kirk meets Harry Mudd once more, now ruling over a planet populated by androids who serve him without end. Mudd's newfound life of comfort prompts inquiries into how he obtained his position and the true source of his authority.

  9. 2.09MetamorphosisNov 10, 1967Rate

    A shuttle crew from the USS Enterprise discovers a man from Earth's past accompanied by an enigmatic alien being.

  10. 2.10Journey to BabelNov 17, 1967Rate

    The *Enterprise* is assigned to transport high-ranking officials to a critical peace conference, but the mission becomes complicated when an assassin is discovered among the passengers. The crew must navigate security concerns while adhering to diplomatic protocol to ensure the conference proceeds without incident.

  11. 2.11Friday's ChildDec 1, 1967Rate

    The crew of the *Enterprise* becomes involved in a conflict between rival tribes on a planet, as they work to mediate or resolve the growing tensions.

  12. 2.12The Deadly YearsDec 8, 1967Rate

    The command crew of the *Enterprise* is exposed to unusual radiation that causes them to age at an accelerated rate. As they undergo the physical and mental effects of rapid aging, the crew works to find a solution to reverse the process before it becomes permanent.

  13. 2.13ObsessionDec 15, 1967Rate

    Captain James T. Kirk faces a dangerous entity from his past that has resurfaced and now endangers the crew of the Enterprise. Driven by a desire to destroy the threat, Kirk's personal vendetta conflicts with his duties as a Starfleet officer. The mission requires the crew to contend with both the physical dangers posed by the entity and the emotional strain it places on Kirk.

  14. 2.14Wolf in the FoldDec 22, 1967Rate

    A series of bizarre and disturbing murders leads investigators to suspect that Mr. Scott may be responsible.

  15. 2.15The Trouble With TribblesDec 29, 1967Rate

    The USS Enterprise is assigned to protect a vital grain shipment, but encounters obstacles in the form of Klingon forces and an unforeseen infestation of non-threatening, rapidly reproducing tribbles.

  16. 2.16The Gamesters of TriskelionJan 5, 1968Rate

    In the story, Captain Kirk and his crew are captured and forced into servitude, where they are trained as gladiators to entertain three non-corporeal entities through deadly combat.

  17. 2.17A Piece of the ActionJan 12, 1968Rate

    The crew of the Enterprise investigates a planet whose society has evolved to resemble that of 1920s Earth, featuring organized crime and tensions reminiscent of the Prohibition era.

  18. 2.18The Immunity SyndromeJan 19, 1968Rate

    The *Enterprise* crew investigates a mysterious energy-draining field that poses a potential threat to the entire galaxy. As they analyze its properties, they realize it has the capacity to consume vast amounts of energy. The crew must determine the field's origin and find a way to neutralize its destructive potential.

  19. 2.19A Private Little WarFeb 2, 1968Rate

    While on an exploratory mission to a previously tranquil planet, the *Enterprise* crew discovers the presence of Klingon influence interfering with the planet's natural development. This discovery leads them to take action in an effort to maintain the region's stability.

  20. 2.20Return to TomorrowFeb 9, 1968Rate

    In this episode, Captain Kirk and First Officer Spock are possessed by ancient alien entities, causing their behavior to become erratic and unpredictable. The situation escalates into a crisis aboard the USS Enterprise, as the crew struggles to manage the altered conduct of their commanding officers. With the stability of the ship at risk, the crew works urgently to find a solution and regain control before the situation worsens.

  21. 2.21Patterns of ForceFeb 16, 1968Rate

    The crew of the Enterprise investigates the whereabouts of a Federation observer on a planet ruled by a repressive, authoritarian regime with disturbing similarities to Nazi Germany.

  22. 2.22By Any Other NameFeb 23, 1968Rate

    Aliens from a distant galaxy take control of the Enterprise in order to use it to return to their home world.

  23. 2.23The Omega GloryMar 1, 1968Rate

    In this episode, Captain Kirk leads a mission to find a cure for a deadly disease, while also dealing with a fellow Starfleet captain whose actions are interfering with the local culture.

  24. 2.24The Ultimate ComputerMar 8, 1968Rate

    A reduced crew of the *Enterprise* volunteers to test an advanced computer system designed to take full command of the ship, leading to unexpected challenges as they evaluate its capabilities and limitations.

  25. 2.25Bread and CircusesMar 15, 1968Rate

    The crew of the Enterprise investigates the mysterious disappearance of an entire starship's personnel on a planet ruled by a society mirroring the structure and culture of the Roman Empire.

  26. 2.26Assignment: EarthMar 29, 1968Rate

    The *Enterprise* crew travels back to Earth in 1968 and encounters Gary Seven, an enigmatic figure with his own mission on the planet.

  1. 3.01Spock's BrainSep 20, 1968Rate

    An alien woman infiltrates the Enterprise and subdues the crew, extracting Spock's brain in the process. With Spock's life at risk, Captain Kirk and the remaining crew members must locate and retrieve his brain before it is lost permanently.

  2. 3.02The Enterprise IncidentSep 27, 1968Rate

    The *Enterprise* crew undertakes a covert mission to recover a Romulan cloaking device, facing the dual challenges of maintaining stealth and managing diplomatic tensions. Spock's methodical strategy conflicts with Kirk's more direct approach as they work to complete the mission without breaching the Prime Directive. The operation puts the crew's cohesion and moral limits to the test.

  3. 3.03The Paradise SyndromeOct 4, 1968Rate

    Captain Kirk suffers memory loss after coming into contact with an alien device on a primitive planet, which leads him to begin a new life among the native inhabitants.

  4. 3.04And the Children Shall LeadOct 11, 1968Rate

    On a remote planet, Kirk, Spock, and McCoy discover a deceased scientific team and their children, who possess hidden and powerful abilities unknown to the Starfleet crew.

  5. 3.05Is There in Truth No Beauty?Oct 18, 1968Rate

    The Enterprise joins an alien ambassador on a diplomatic mission, but the crew starts to experience psychological disturbances caused by his presence.

  6. 3.06Spectre of the GunOct 25, 1968Rate

    Captain Kirk and his crew are captured after entering Melkotian territory and are forced to participate in a deadly reenactment of the historic gunfight at the O.K. Corral.

  7. 3.07Day of the DoveNov 1, 1968Rate

    The *Enterprise* crew encounters a violent clash with the Klingons following the arrival of an alien entity in the region. As tensions rise, both factions become entangled in an unexpected and fierce battle. Throughout the conflict, the crew works to uncover the true identity and intentions of the alien force.

  8. 3.08For the World Is Hollow and I Have Touched the SkyNov 8, 1968Rate

    The crew of the Enterprise responds to an alert regarding an asteroid that poses a threat to a Federation planet, only to discover that the asteroid is actually a living generation ship carrying an alien species.

  9. 3.09The Tholian WebNov 15, 1968Rate

    Captain Kirk becomes stranded between two dimensions as the *Enterprise* crew attempts to rescue him, while Tholian forces insist the ship abandon their territory.

  10. 3.10Plato's StepchildrenNov 22, 1968Rate

    In an episode of *Star Trek: The Next Generation*, the crew of the *Enterprise* encounters an enigmatic humanoid species that appears to be ageless and possesses telekinetic abilities. This species claims that their civilization is founded on the principles of Ancient Greek philosophy.

  11. 3.11Wink of an EyeNov 29, 1968Rate

    Invisible aliens possessing the ability to accelerate time take over the Enterprise and attempt to capture the crew in order to use them as genetic material.

  12. 3.12The EmpathDec 6, 1968Rate

    A landing party explores a dying planet and is captured, subjected to cruel experiments by a dominant alien species.

  13. 3.13Elaan of TroyiusDec 20, 1968Rate

    The USS Enterprise is tasked with transporting a high-status royal bride-to-be, whose marriage to a Troyian prince is intended to establish peace in a star system plagued by conflict.

  14. 3.14Whom Gods DestroyJan 3, 1969Rate

    In the episode, Captain Kirk encounters a deranged, shape-shifting captain who seeks universal domination.

  15. 3.15Let That Be Your Last BattlefieldJan 10, 1969Rate

    The USS Enterprise encounters two alien species engaged in a long-standing enmity, whose escalating conflict poses a threat to the safety of the starship. The species are distinguished by their dual-colored appearances and mutual aggressive hostility. The crew works to manage the volatile situation and prevent the ship from becoming entangled in the conflict.

  16. 3.16The Mark of GideonJan 17, 1969Rate

    A race of aliens facing overpopulation abducts Captain Kirk in hopes that he can help them find a solution to their crisis.

  17. 3.17That Which SurvivesJan 24, 1969Rate

    In this episode, Captain Kirk, Dr. McCoy, and Sulu find themselves stranded on a barren planet, where they are hunted by an enigmatic woman who methodically attempts to kill them. Meanwhile, the *Enterprise* embarks on an extensive journey across the galaxy in an effort to rescue them.

  18. 3.18The Lights of ZetarJan 31, 1969Rate

    Mysterious, formless alien entities pose a threat to the Memory Alpha station and the starship Enterprise, forcing the crew to investigate their origins and intentions.

  19. 3.19Requiem for MethuselahFeb 14, 1969Rate

    In one episode, the crew of the *Enterprise* encounters an ancient, immortal human who has lived for centuries and possesses advanced knowledge, leading to a tense and philosophical encounter that draws parallels to Shakespeare's *The Tempest*.

  20. 3.20The Way to EdenFeb 21, 1969Rate

    The *Enterprise* encounters a group of countercultural space travelers who claim to be searching for a utopian planet called Eden.

  21. 3.21The Cloud MindersFeb 28, 1969Rate

    In this episode, Captain Kirk leads a mission to secure vital minerals essential for combating a deadly plague. However, the mission is complicated by the challenges of a planet experiencing civil unrest, which is fueled by deep social inequality.

  22. 3.22The Savage CurtainMar 7, 1969Rate

    In the story, Captain Kirk and Spock are forced by aliens to join forces with the historical figure Abraham Lincoln and the legendary Vulcan philosopher Surak in a battle that opposes good and evil.

  23. 3.23All Our YesterdaysMar 14, 1969Rate

    In the *Star Trek* episode "All Our Yesterdays," Kirk, Spock, and McCoy become stranded in different periods of a planet's history as its sun is on the verge of going supernova. They must navigate the challenges of the past while the planet faces imminent destruction.

  24. 3.24Turnabout IntruderJun 3, 1969Rate

    Janice Lester, a former lover of Captain James T. Kirk, takes control of Kirk's body and puts the USS Enterprise in jeopardy.

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