The Cage - Thirteen years before James T. Kirk takes command of the U.S.S. Enterprise, Captain Christopher Pike and his starship crew receive a distress signal from the planet Talos IV and beam down to investigate. Tracking the beacon, the ...

Where No Man has Gone Before - Some years before this second pilot, the S.S. Valiant had encountered an unknown energy barrier at the rim of the galaxy. Something had then made its captain destroy his ship. ...

The Corbomite Maneuver - While exploring an uncharted region of space, the U.S.S. Enterprise comes upon an alien space buoy which is cube-shaped and spins, warning ships away and blocking the starship's path. Kirk's orders the phasers to destroy ...

Mudd's Women - The U.S.S. Enterprise pursues an unknown ship into an asteroid belt to save its crew before it's destroyed. The four people aboard are beamed on to the U.S.S. Enterprise; former nemesis Harry Mudd and three beautiful, sultry women ...

The Enemy Within - While orbiting the planet Alfa 177, the U.S.S. Enterprise experiences a transporter malfunction when Technician Fisher is beamed up from the planet with some magnetic ore on his clothing. Scotty checks the transporter and ...

The Man Trap - The U.S.S. Enterprise arrives at planet M-113 to deliver supplies to Dr. Robert Crater and his wife, Nancy, whom Doctor Leonard McCoy was once romantically involved with. M-113 is home to the Craters for five years, where they ...

The Naked Time - Spock and Joe Tormolen beam down to planet Psi 2000 to pick up a research party before the planet disintegrates. They find everyone has died, frozen when life support was turned off. Even stranger, the positions of the research's ...

Charlie X - Charles Evans, the lone survivor of a crashed colonizing expedition to the planet Thasus, comes aboard the U.S.S. Enterprise from the S.S. Antares. But when the Antares' Captain Ramart contacts Kirk in regards to Charlie, the Antares' ...

Balance of Terror - The marriage of Angela Martine and Robert Tomlinson is interrupted when a Romulan warbird attacks and destroys Outpost 4, which guards the Neutral Zone between Federation and Romulan space. Kirk learns that the Romulan ship ...

What Are Little Girls Made of - The U.S.S. Enterprise arrives in orbit around Exo III, to search for exobiologist Dr. Roger Korby. When Kirk asks Spock if Korby could possibly still be alive, Spock glances at Christine, then quietly shuts off ...

Dagger of the Mind - When Dr. Simon van Gelder of the psychiatric staff at the Tantalus Penal Colony escapes to the U.S.S. Enterprise exhibiting signs of manic insanity, an enraged McCoy insists that Kirk investigate the colony. The Captain ...

Miri - The U.S.S. Enterprise answers an old distress signal to find an unnamed planet that is almost an exact duplicate of Earth in the 1960s. A landing party beams down and discovers that 300 years before, the natives of the planet conducted ...

The Conscience of the King - Twenty-two years before stardate 2817.6, the governor of Tarsus IV, Kodos, evoked emergency martial law and ordered half of the planet's population executed. His intent was to address a severe food shortage on Tarsus ...

The Galileo Seven - On its way to deliver medical supplies to plague-ridden Makus III, the U.S.S. Enterprise passes Murasaki 312. Since they are under Starfleet orders to inspect galactic phenomena such as this quasar-like star group, McCoy, ...

Court Martial - When the U.S.S. Enterprise puts in at Starbase 11 for repairs caused in an ion storm, Kirk gives his report of the circumstances of Lieutenant Commander Ben Finney's death to Commodore Stone. All goes well until Spock arrives ...

The Menagerie, Part I - The U.S.S. Enterprise and her crew are diverted by a signal from the former captain of the U.S.S. Enterprise on Starbase 11, and proceed to the call. When they arrive they find Captain Christopher Pike, who is severely ...

The Menagerie, Part II - The U.S.S. Enterprise and her crew are diverted by a signal from the former captain of the U.S.S. Enterprise on Starbase 11, and proceed to the call. When they arrive they find Captain Christopher Pike, who is severely ...

Shore Leave - A U.S.S. Enterprise landing party beams down to an uncharted planet. The planet seems like a perfect candidate for shore leave with its ''Earth-type'' characteristics. Kirk sends McCoy down with the party to check it out. ...

The Squire of Gothos - The U.S.S. Enterprise must cross an empty sector of space on their way to deliver supplies to colony Beta VI. In this space, they find an uncharted planet whose presence can't be explained. After Kirk and Sulu disappear ...

Arena - The U.S.S. Enterprise is in pursuit of an unknown alien ship which has destroyed a Starfleet base on Cestus III. In an uncharted area of space, both the alien ship and the Enterprise are caught by an advanced race called Metrons. The ...

The Alternative Factor - While orbiting what should be a dead planet, the U.S.S. Enterprise experiences a moment of 'nonexistence.'' Starfleet Command fears an enemy invasion and orders Kirk to find out what caused the stellar system disturbance. ...

Tomorrow is Yesterday - When the U.S.S. Enterprise is thrown into a time warp by a black star, it ends up orbiting Earth in the 20th century. Omaha Air Base detects a peculiar UFO and sends a fighter plane, manned by Captain John Christopher, ...

The Return of the Archons - When the landing party exhibits strange behavior, Kirk sends another party down to investigate. They find the culture on Beta III is quiescent, with no creative tendencies. The entire culture is controlled by a group ...

A Taste of Armageddon - The U.S.S. Enterprise is ordered to pick up Ambassador Robert Fox, who is headed to planet Eminiar VII on a diplomatic mission. Upon arriving at the planet, the ship is warned away. ...

Space Seed - A piece of one of history's great puzzles falls into place when Kirk's crew comes across the S.S. Botany Bay, an old-style, pre-warp sleeper ship from Earth that contains several bodies in stasis. Amongst these bodies is Khan Noonien ...

This Side of Paradise - Expecting the colonists of Omicron Ceti III to be dead after three years of exposure to deadly Berthold rays, Kirk and Spock are surprised to find the colony alive and flourishing. ...

The Devil in the Dark - The U.S.S. Enterprise arrives to investigate reports of an unknown monster deep in the mining tunnels of Janus VI. The being is apparently destroying machinery and killing the miners, and has the ability to burrow through ...

Errand of Mercy - Kirk and Spock beam down to the surface of planet Organia to negotiate for the erection of a Federation base on that planet. Hostilities between the nearby Klingon Empire and Federation have reached alarming heights and it is ...

The City on the Edge of Forever - McCoy accidentally injects himself with an overdose of cordrazine, a drug which makes him exhibit signs of paranoia and madness, while treating an ailing Sulu on the Bridge. Delirious, he beams down to a nearby ...

Operation Annihilate - Arriving at the planet Deneva, home of Kirk's only brother Sam and his family, the U.S.S. Enterprise picks up a transmission from a Denevan pilot who has steered his craft into the sun to destroy some unknown menace. ...

Cat's Paw - On the planet Pyris VII, two beings known as Korob and Sylvia have been senton a mission of conquest by their home world. Using a matter transmuter, they assume human form to welcome the U.S.S. Enterprise landing party. ...

Metamorphosis - Assistant Federation Commissioner Nancy Hedford has become ill while trying to stop a war on Epsilon Canaris III. The shuttlecraft Galileo is assigned to take her to the U.S.S. ...

Friday's Child - Sent to the planet Capella IV to negotiate a mining treaty, Kirk and a party beam to the surface. They find the Capellans to be warlike and tradition-bound people. Kirk also finds that a Klingon agent, Kras, ...

Who Mourns For Adonais? - As the U.S.S. Enterprise nears the planet Pollux IV, a huge, green hand made of energy materializes in space, catching the U.S.S. Enterprise and holding it captive. ...

Amok Time - When Spock begins to exhibit strange, erratic behavior, Kirk asks McCoy to conduct a medical examination. McCoy concludes that Spock is experiencing a potentially lethal internal distress. ...

The Doomsday Machine - Sent to investigate the destruction of several planetary systems, the U.S.S. Enterprise discovers a crippled starship, the U.S.S. Constellation, floating in space. ...

Wolf In The Fold - Kirk and McCoy decide to take Scotty, who is recovering from ahead wound accidentally caused by a female crew member, to a nightclub on the planet Argelius II. ...

The Changeling - The U.S.S. Enterprise is sent to investigate the destruction of the Malurian system and its four billion inhabitants. When it arrives at the coordinates, the starship itself is threatened by a space going, ...

The Apple - When a landing party beams down to the planet Gamma Trianguli VI, they find what appears to be an idyllic paradise. They quickly discover, however, that the planet is deadly, sporting plants that shoot thorns, rocks that explode, ...

Mirror, Mirror - Caught in the beginnings of an ion storm, Kirk, McCoy and Uhura interrupt their negotiations with the Halkans for dilithium crystals, to return to the U.S.S. Enterprise. ...

The Deadly Years - On the way to Starbase 10, the U.S.S. Enterprise stops to deliver supplies to the colonists of Gamma Hydra IV. A landing party consisting of Kirk, Spock, McCoy, Scott, ...

I, Mudd - Norman, an android pretending to be a member of the U.S.S. Enterprise crew, takes control of the starship and her crew, taking them to an unnamed planet where Kirk discovers an old nemesis ... Harry Mudd. ...

The Trouble With Tribbles - When the U.S.S. Enterprise receives a top-priority order to protect a shipment of quadrotriticale grain on Deep Space Station K-7, Kirk is irritated to be guarding a shipment of wheat. ...

Bread And Circuses - The U.S.S. Enterprise finds the wreckage of the S.S. Beagle, with no survivors, orbiting near the Planet 892-IV. When Kirk, Spock, and McCoy beam to the planet's surface, ...

Journey To Babel - The U.S.S. Enterprise is appointed to transport ambassadors from many worlds to the Babel Conferences. Among those aboard are Ambassador Sarek of Vulcan and his human wife, Amanda - Spock's parents. ...

A Private Little War - Captain Kirk leads a survey mission to a peaceful, primitive planet which he visited 13 years before as a lieutenant. He is dismayed to see a group of villagers armed with flintlocks, ...

The Gamesters Of Triskelion - During a routine transport to a planet, Captain Kirk, Lieutenant Uhura and Ensign Chekov are intercepted and abducted by a powerful and distant transporter beam. ...

Obsession - Eleven years ago, the U.S.S. Farragut encountered a deadly cloud creature with vampire-like tendencies. James T. Kirk was on board the Farragut at that time as they entered the region of Tycho IV. ...

The Immunity Syndrome - The U.S.S. Enterprise is en route to Starbase 6 for shore leave when Uhura receives a jumbled message from which all she can make out is a sector coordinate and the name U.S.S. Intrepid, ...

A Piece Of The Action - The planet Sigma Iotia II's last visit by the Federation was by the U.S.S. Horizon ... a hundred years before. Realizing the lapse in monitoring the planet, ...

By Any Other Name - When the U.S.S. Enterprise answers a distress call from a small planet, the landing party is captured by a group of agents from the Kelvan empire, located in the distant Andromeda galaxy. ...

Return To Tomorrow - The U.S.S. Enterprise tracks a mysterious SOS to an ancient planet presumed long dead. The crew hears a voice from a telepathic being named Sargon, who asks Kirk to beam down to the surface. ...

Patterns Of Force - The U.S.S. Enterprise is sent to planet Ekos to investigate the disappearance of an old Academy professor of Kirk's historian John Gill. The Enterprise is attacked by an armed probe with a thermonuclear warhead, ...

The Ultimate Computer - The U.S.S. Enterprise is chosen to be the test ship for the new M-5 multitronic computer system, a computer meant to be able to run a starship without human intervention. Also aboard for the test is Dr. Richard Daystrom, ...

The Omega Glory - The U.S.S. Enterprise finds a crewless starship, the U.S.S. Exeter, in orbit around the planet Omega IV. The boarding party from the U.S.S. Enterprise contracts a virus that may have killed the Exeter's crew, ...

Assignment: Earth - Sent back in time to find out how Earth managed to survive without destroying itself, the U.S.S. Enterprise inadvertently beams aboard a space traveler, Gary Seven, along with his black cat, Isis. ...

Spectre of the Gun - For having trespassed on an alien world, Captain Kirk and his companions are forced to re-enact the shootout at the O.K. Corral. ...

Elaan Of Troyius - The Enterprise transports Elaan, a member of the ruling dynasty of the warrior Elasians, to the planet of their enemy, the Troyians, so that her arranged marriage will halt their ...

The Paradise Syndrome - Trapped on a planet whose inhabitants resemble the Northwestern American Indians Kirk loses his memory and is proclaimed a God while the crippled ...

The Enterprise Incident - The Enterprise deliberately crosses the Neutral Zone, on Kirk's orders, into Romulan space and is promptly surrounded by Romulan warships, each equipped with ...

And the Children Shall Lead- The Enterprise reaches a Federation colony where the adults have all killed each other but the children play without care. ...

Spock's Brain - The Enterpise is approached by an ion-propelled craft to Scotty's liking; from it enters a female who renders everyone unconscious, then heads straight to Spock. When the crew wakes up, ...

Is There In Truth No Beauty? - The Enterprise transports the Medusan Ambassador Kollos; his telepathic interpreter, Dr Miranda Jones; and Engineer Laurence ...

The Empath - Trapped in an alien laboratory Kirk, Spock and McCoy meet an empath and are involved in a series of experiments. ...

The Tholian Web - Kirk and the derelict starship Defiant vanish into a spatial interphase between universes. To rescue him, Spock must maintain position despite a growing, violent hysteria ...

For The World Is Hollow And I Have Touched The Sky - The Enterprise discovers an apparent asteroid that is on a collision course with a planet is actually an ancient populated generation ship. ...

Day Of The Dove - An entity traps the Enterprise crew and the crew of a disabled Klingon battle cruiser in an unending war aboard the Enterprise. ...

Plato's Stepchildren - On an urgent medical emergency Kirk, Spock and McCoy encounter an alien society who had once flourished on earth during the time of Plato. Since reaching their current planet ...

Wink of an Eye - The Enterprise responds to a distress call from the planet Scalos but when Kirk and a landing party beam down to the planet, they find no living beings. It turns out that ...

That Which Survives - After the Enterprise landing party beams down to investigate a geologically interesting planet, their ship is hurled across the galaxy. Kirk and company find ...

Let That Be Your Last Battlefield - The Enterprise encounters two duo-chromatic and mutually belligerent aliens who put the ship in the middle of their old conflict. ...

Whom Gods Destroy - Kirk and Spock are taken prisoners by a former starship captain named Garth, who now resides at, and has taken over, a high security asylum for the criminally insane. ...

The Mark Of Gideon - Kirk beams down to the planet Gideon and appears to find himself trapped on the deserted Enterprise. Spock on the real Enterprise must use ...

The Lights Of Zetar - The Enterprise is on course to install new equipment on Memory Alpha, the central library storage facility for the Federation. Chief Engineer Scott has been working closely ...

The Cloud Minders - Kirk and Spock are caught up in a revolution on a planet where intellectuals and artists live on a utopian city in the sky while the rest of the population toils in mines on the barren surface below. ...

The Way to Eden - The Enterprise is hijacked by an insane doctor and his fanatical, hippie-like followers, in an attempt to find paradise. ...

Requiem For Methuselah - When Kirk, Spock and McCoy beam down to a supposed uninhabited planet to gather the mineral ryetalyn to fight a plague of Rigelian fever on-board the Enterprise, they find ...

The Savage Curtain - Kirk, Spock, Abraham Lincoln, and Surak are pitted in battle against four notorious villains from history for the purpose of helping a molten rock creature's ...

All our Yesterdays - When the planet Sarpeidon is about to be destroyed by its star Beta Niobe becoming a supernova, Kirk, Spock and McCoy beam down and find it evacuated except for Atoz, its ...

The Turnabout Intruder - The Enterprise is answering a medical emergency of an archaeological expedition. Kirk is confronted with the deep hatred of an old love, Janice Lester, who is severely ill from ...