Episode 1
Amok Time
1967-09-15 • 50 min
First Officer Spock returns to his home world for a brutal Vulcan mating ritual.


TV season
1967-09-14
Episode 1
1967-09-15 • 50 min
First Officer Spock returns to his home world for a brutal Vulcan mating ritual.
Episode 2
1967-09-22 • 51 min
The crew of the Enterprise are held captive by an alien who turns out to be the Greek god Apollo.
Episode 3
1967-09-29 • 50 min
The crew of the USS Enterprise deals with an indestructible planet-destroying space probe.
Episode 4
1967-10-06 • 50 min
A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran Empire, an organization as evil as the United Federation of Planets is benevolent.
Episode 5
1967-10-13 • 50 min
The crew of the Enterprise visits a mysterious paradisical planet controlled by a computer that is served by the local inhabitants.
Episode 6
1967-10-20 • 51 min
The starship Enterprise and its heavily-damaged sister ship, the USS Constellation, must work together to stop an alien planet-killing machine headed for the heart of Federation territory.
Episode 7
1967-10-27 • 50 min
Two powerful aliens threaten the well-being of the Enterprise and her crew.
Episode 8
1967-11-03 • 51 min
Captain Kirk has a second run-in with the conman, Harry Mudd. Mudd is now the supreme ruler of a planet of androids who cater to his every whim.
Episode 9
1967-11-10 • 50 min
A shuttle crew from the USS Enterprise encounters a man out of history and his mysterious alien companion.
Episode 10
1967-11-17 • 50 min
The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose.
Episode 11
1967-12-01 • 50 min
The crew of the Enterprise become entangled in a planet's tribal power struggle.
Episode 12
1967-12-08 • 50 min
Strange radiation exposes the command crew of the Enterprise to the effects of rapid aging.
Episode 13
1967-12-15 • 50 min
Captain James T. Kirk becomes obsessed with destroying a deadly entity he once encountered in his youth.
Episode 14
1967-12-22 • 51 min
A series of bizarre murders points to Mr. Scott as the prime suspect.
Episode 15
1967-12-29 • 50 min
The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles.
Episode 16
1968-01-05 • 50 min
Captain Kirk and his companions are abducted into slavery and trained to fight as gladiators for the gambling entertainment of three disembodied beings.
Episode 17
1968-01-12 • 50 min
The Enterprise visits a planet with an Earth-like 1920s gangster culture.
Episode 18
1968-01-19 • 50 min
The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy.
Episode 19
1968-02-02 • 51 min
The crew of the Enterprise discovers Klingon interference in the development of a formerly peaceful planet and is forced to help maintain a balance of power.
Episode 20
1968-02-09 • 50 min
Ancient alien minds are given control of Captain Kirk's and First Officer Spock's bodies.
Episode 21
1968-02-16 • 50 min
The crew of the Enterprise tracks down a Federation observer on a planet dominated by a "Naziesque" regime.
Episode 22
1968-02-23 • 50 min
Beings from another galaxy commandeer the Enterprise in an attempt to return home.
Episode 23
1968-03-01 • 50 min
Captain Kirk must find the cure to a deadly disease and put an end to another Starfleet captain's cultural interference.
Episode 24
1968-03-08 • 50 min
A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship.
Episode 25
1968-03-15 • 50 min
The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire.
Episode 26
1968-03-29 • 50 min
While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet.