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Recap / Star Trek: The Original Series

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This page uses the US broadcast order, which differs from the production order broadcast in some countries.

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    Original Pilot (produced 1964-65) 
  • "The Cage": A rescue mission to the remote planet Talos IV turns sour when the natives, beings with powerful telepathic abilities, kidnap the ship's captain and two female officers for scientific study.

    Season 1 (September 8, 1966 - April 13, 1967) 
  1. "The Man Trap": The crew meet up with an old flame of Dr. McCoy's, but there's something incredibly strange about her, and when she gets on the Enterprise, mysterious deaths begin happening. September 8, 1966
  2. "Charlie X": Young Charlie Evans boards the Enterprise, and really tries hard to be accepted by the crew, a longing exacerbated by his godlike power. September 15, 1966
  3. "Where No Man Has Gone Before" (Second pilot): When the ship crosses an energy barrier at the edge of the galaxy, something happens to Lieutenant Gary Mitchell that gives him extraordinary abilities. September 22, 1966
  4. "The Naked Time": A disease is passed around the ship that intoxicates crew members and causes them to act delirious and Out of Character. September 29, 1966
  5. "The Enemy Within": Due to a transporter malfunction, Captain Kirk is split into two — one Kirk being good and passive, the other evil and aggressive. October 6, 1966
  6. "Mudd's Women": The Enterprise rescues a ship and conman Harry Mudd is brought onboard with an entourage of lovely women that carry an embarrassing secret. Meanwhile, the crew burn out their lithium crystals and have to go to a mining planet for replacements. October 13, 1966
  7. "What Are Little Girls Made Of?": Nurse Chapel finally finds her fiancé, Roger Korby, but when she and Kirk beam down to his planet, they find he's a different man after doing experiments with robotics. October 20, 1966
  8. "Miri": On a planet that looks similar to Earth, the Enterprise crew discover all the adults are dead of a strange disease, leaving only feral children. October 27, 1966
  9. "Dagger of the Mind": Dr. Simon Van Gelder sneaks on board the ship having been driven to insanity, and it warrants an investigation into the Tantalus Penal Colony below. November 3, 1966
  10. "The Corbomite Maneuver": Kirk gets the Enterprise and crew in a battle of wits, with a ship headed by a demonic-looking being that's bent on destroying them if they don't leave his space. November 10, 1966
  11. "The Menagerie, Part I": The crew meet the former commander of the Enterprise, Christopher Pike, who is now immobile due to radiation burns. Spock takes control of the ship and attempts to take Pike to Talos IV. November 17, 1966
  12. "The Menagerie, Part II": Spock's court martial, from his actions in the previous episode, details the history of Captain Pike's original mission to Talos IV, thirteen years ago. November 24, 1966
  13. "The Conscience of the King": A traveling group of actors perform for the ship's crew, but things get complicated when one of them is suspected to be Kodos, a dictator behind the execution of half of a planet's population. December 8, 1966
  14. "Balance of Terror": The Enterprise gets themselves wrapped up in a deadly chase with a Romulan bird-of-prey ship, and discover the origin of the Romulans and how it ties in with the Vulcans. December 16, 1966
  15. "Shore Leave": Scouting a planet to see if they can get some much-needed rest there, Enterprise crew members find all of their fantasies implausibly turning into reality. December 29, 1966
  16. "The Galileo Seven": A mission in a shuttlecraft quickly turns to disaster, as Spock, Scotty, McCoy and other crewmen crash-land on an uncharted planet. January 5, 1967
  17. "The Squire of Gothos": A trickster god tries to impress the crew with his fascination with Earth history, and it quickly becomes apparent how dangerous he truly is. January 12, 1967
  18. "Arena": The Enterprise chases the Gorn through space, after the Gorn destroy an Earth colony. Suddenly, an Actual Pacifist race gets involved, and puts Kirk and the Gorn captain in a deserted area to fight to the death. January 20, 1967
  19. "Tomorrow Is Yesterday": Accidentally having flung themselves back into the 1960s, the Enterprise crew beam Captain John Christopher out of a fighter plane, and in doing so, they find themselves in a serious conundrum. January 26, 1967
  20. "Court Martial": Kirk is put to trial by Starfleet for the wrongful death of an officer. February 2, 1967
  21. "The Return of the Archons": Kirk brings the ship to Beta III, where the USS Archon vanished a century before. Citizens of the planet, and crew members who come in contact with them, have all gotten into a strange blissful state, along with having a devotion to "the Body". February 9, 1967
  22. "Space Seed": The Enterprise finds a ship full of Augments, superhuman people who were the catalyst for Earth's Eugenics Wars. They're led by Khan Noonien Singh, a charismatic leader who still has a thirst for power. February 16, 1967
  23. "A Taste of Armageddon": The crew get in contact with a planet full of people who fight a war using only computers and "antimatter chambers". February 23, 1967
  24. "This Side of Paradise": The crew visit a colony that should not still exist due to the radiation around the planet, and find them all in perfect health, including an Old Flame of Spock's. While there, the crew are subject to bizarre plant spores that cause them to experience a rush of euphoria. March 2, 1967
  25. "The Devil in the Dark": Kirk and company go underground to a planet's mines in search of a mysterious creature that's dissolving men alive, and find that things aren't quite as they seem. March 9, 1967
  26. "Errand of Mercy": The planet Organia is in grave danger from the Klingons, and Kirk and Spock find themselves mystified by the Organians' complete lack of fear in the face of certain death. March 23, 1967
  27. "The Alternative Factor": The Enterprise happens across a being fighting a constant battle between different universes. March 30, 1967
  28. "The City on the Edge of Forever": Accidentally drugged, a hallucinating McCoy runs into a time portal and changes history, forcing Spock and Kirk to go back to 1930s Earth to see if they can fix things. April 6, 1967
  29. "Operation: Annihilate!": The population of the planet Deneva — which includes Kirk's brother — gets virtually wiped out by a strange race of large amoeba-shaped beings. April 13, 1967

    Season 2 (September 15, 1967 - March 29, 1968) 
  1. "Amok Time": Spock begins acting erratically, losing his emotional control and lashing out at crew members, while demanding to go on leave to Vulcan. Kirk and McCoy soon discover some interesting things about Vulcan, and Vulcan biology. September 15, 1967
  2. "Who Mourns for Adonais?": The crew are greeted in space by someone claiming to be the Greek god Apollo, and upon taking a landing party down, Kirk finds that Apollo wants them to stay permanently. September 22, 1967
  3. "The Changeling": A probe with artificial intelligence is beamed aboard the ship, and believes Captain Kirk to be its creator. September 29, 1967
  4. "Mirror, Mirror": Kirk, Uhura, McCoy and Scotty accidentally find themselves in a Mirror Universe, where the Federation is instead the tyrannical Terran Empire. October 6, 1967
  5. "The Apple": A landing party beams down to a beautiful forest that quickly turns lethal. Things begin looking up when the crew happen upon a small tribe of people, but they've mysteriously not progressed nor aged in literally thousands of years, thanks to their leader, Vaal. October 13, 1967
  6. "The Doomsday Machine": A planet-destroying monster makes its way through space taking out entire solar systems. While trying to intervene, Kirk and company find the ship of Commodore Decker, riddled with guilt after his crew was all killed. October 20, 1967
  7. "Catspaw": Kirk and company get stuck in a dark castle with two Reality Warpers. October 27, 1967
  8. "I, Mudd": The crew meet Harry Mudd again, and find he's now the leader on a planet of androids. November 3, 1967
  9. "Metamorphosis": The inventor of warp drive, Zephram Cochrane, is found on a desolate world by Kirk and Spock, accompanied by a strange being made entirely of energy. November 10, 1967
  10. "Journey to Babel": Ambassadors from various species on their way to the Babel Conference get on board the Enterprise, two of whom are Spock's parents. November 17, 1967
  11. "Friday's Child": Kirk's attempt to negotiate a treaty with the people of Capella IV becomes complicated by a Klingon infiltrating the culture. December 1, 1967
  12. "The Deadly Years": A virus which causes Rapid Aging begins affecting crew members, especially Kirk. December 8, 1967
  13. "Obsession": Kirk runs afoul of a strange entity that killed the commander of his former ship eleven years ago. Still wracked with regret, he becomes hell-bent on destroying it. December 15, 1967
  14. "Wolf in the Fold": When Scotty is accused of a series of murders, the resulting court case reveals something extraordinary. December 22, 1967
  15. "The Trouble with Tribbles": A distress signal from Space Station K-7 leads to a mundane mission that Kirk is reluctant to take on, but things get intense when Klingons get involved, and then compounded by the spread of "tribbles" — a species of small furry creatures that reproduce at a ridiculous rate. December 29, 1967
  16. "The Gamesters of Triskelion": Kirk, Chekov and Uhura are beamed across light years to Triskelion, and forced to fight for the amusement of "the Providers". January 5, 1968
  17. "A Piece of the Action": A planet is found that has mysteriously taken on the characteristics of early 20th century gangster culture. January 12, 1968
  18. "The Immunity Syndrome": The Enterprise finds itself in a dark, black void, inhabited only by a gigantic amoeba-like being. January 19, 1968
  19. "A Private Little War": Klingons have interfered in the development of a peaceful planet. February 2, 1968
  20. "Return to Tomorrow": Three powerful apparitions lure the Enterprise to their dead world, and ask if they may inhabit three of the ship's human bodies. After a discussion, Kirk actually accepts. February 9, 1968
  21. "Patterns of Force": The crew searches for a missing Federation observer, and find him on a planet that's been taken over by Nazi culture. February 16, 1968
  22. "By Any Other Name": The crew are fooled by a distress signal and forced into giving up their ship to the Kelvans, a powerful race that only knows conquering worlds. February 24, 1968
  23. "The Omega Glory": A Starfleet captain violates the Prime Directive and gets involved in a planet's war, even dragging Kirk and company into it. March 1, 1968
  24. "The Ultimate Computer": A new computer system, designed by Dr. Richard Daystrom, is given complete control of the ship, much to the chagrin of Kirk. March 8, 1968
  25. "Bread and Circuses": A landing party finds themselves on a planet resembling the Roman Empire, but with 20th century technology. March 15, 1968
  26. "Assignment: Earth": While visiting 1968 on an observational mission, the crew meet a strange being with a human appearance named Gary Seven (Robert Lansing), who has an agenda of his own. March 29, 1968

    Season 3 (September 20, 1968 - June 3, 1969) 
  1. "Spock's Brain": An alien woman surgically removes Spock's brain, and the Enterprise crew has to get it back. September 20, 1968
  2. "The Enterprise Incident": Kirk violates the Neutral Zone and gets the Enterprise captured by Romulans. September 27, 1968
  3. "The Paradise Syndrome": An amnesiac Kirk is mistaken for a god by natives of a primitive planet, and soon he builds a new life for himself with an expecting wife. October 4, 1968
  4. "And the Children Shall Lead": All adult members of an expedition are found dead by the crew, while all their children are not only alive, but apathetic to their losses. October 11, 1968
  5. "Is There in Truth No Beauty?": The Enterprise picks up Kollos, an ambassador who when viewed by the naked eye causes insanity. With the ambassador is Dr. Miranda Jones, a telepath, and specialist Laurence Marvick, who carries a secret. October 18, 1968
  6. "Spectre of the Gun": After trespassing in Melkotian space, members of the crew are stuck playing the roles of the Clanton gang at the OK Corral. October 25, 1968
  7. "Day of the Dove": A non-corporeal alien pits the Enterprise crew and the Klingons against each other for its own amusement. November 1, 1968
  8. "For the World Is Hollow and I Have Touched the Sky": McCoy has been diagnosed with a terminal illness. While dealing with that, the crew happen across a colony of people who have no idea that they're living on an asteroid, and on a collision course with a Federation planet. November 8, 1968
  9. "The Tholian Web": A Federation ship that's dead in space disappears into subspace, and through a twist of fate, it takes Kirk with it. Spock has to take command, and tensions with McCoy reach a boiling point. November 15, 1968
  10. "Plato's Stepchildren": Members of the crew become the playthings of the telekinetic Platonians. November 22, 1968
  11. "Wink of an Eye": Kirk encounters the Scalosians, a time-accelerated species that take over the Enterprise. November 29, 1968
  12. "The Empath": McCoy, Spock and Kirk land on a doomed planet to retrieve some researchers, and find a mute empath and a powerful group of aliens who submit them to dangerous experiments. December 6, 1968
  13. "Elaan of Troyius": A peace treaty is to be completed by the bonding in marriage of the leaders of the two warring planets, the Dohlman of Elas and the leader of Troyius. The Dohlman, Elaan, proves to be a spoiled princess who becomes a huge headache for Kirk. December 20, 1968
  14. "Whom Gods Destroy": Kirk and Spock become the hostages of Garth of Izar, a former starship captain and hero of Kirk's, and are stuck in a facility for the criminally insane. January 3, 1969
  15. "Let That Be Your Last Battlefield": Refugees of a planet at war find themselves on the Enterprise, and become a serious problem. January 10, 1969
  16. "The Mark of Gideon": When the planet Gideon becomes dangerously overpopulated, they kidnap Kirk, and insist he help them. January 18, 1969
  17. "That Which Survives": A landing party goes to investigate an abandoned outpost, but become haunted by a mysterious woman who can kill by touch. January 24, 1969
  18. "The Lights of Zetar": En route to Memory Alpha, the Federation's library storage facility, a storm hits the ship, which has a profound effect on Lieutenant Mira Romaine. January 31, 1969
  19. "Requiem for Methuselah": Kirk, Spock and McCoy are searching for a cure to a disease that's slowly killing Enterprise crew members. Their search brings them to a mysterious man named Flint, and his ward Rayna. February 14, 1969
  20. "The Way to Eden": The Enterprise beams aboard a group of iconoclasts who insist on traveling to the supposedly mythical planet of Eden. February 21, 1969
  21. "The Cloud Minders": While picking up a shipment on the planet Ardana, Kirk and Spock get caught up in a class war. February 28, 1969
  22. "The Savage Curtain": Kirk, Spock, and facsimiles of Abraham Lincoln and ancient Vulcan philosopher Surak, are brought to a planet to engage in a "good vs evil" battle to the death. March 7, 1969
  23. "All Our Yesterdays": Kirk, Spock and McCoy beam down to make sure a planet is evacuated before its sun goes nova. They then get accidentally pulled into the planet's past. March 14, 1969
  24. "Turnabout Intruder": Kirk is stuck in the body of a bitter former lover, while she takes his body and command of the Enterprise. June 3, 1969


Alternative Title(s): Star Trek 1966