Season 1
Episode Guide
Beyond the Farthest Star
S1
E1
The Enterprise finds a deserted starship orbiting a dead star.
Yesteryear
S1
E2
Spock travels back in time to prevent his death as a young Vulcan.
One of Our Planets is Missing
S1
E3
A mysterious cloud destroys inhabited planets.
The Lorelei Signal
S1
E4
A race of beautiful women remains immortal by stealing the life force of men.
More Tribbles, More Troubles
S1
E5
Cyrano Jones introduces tribbles that cannot reproduce.
The Survivor
S1
E6
The Enterprise finds a long-lost explorer (Ted Knight).
The Infinite Vulcan
S1
E7
A mad scientist has developed a race of intelligent plant life.
The Magicks of Megas-tu
S1
E8
At the center of the galaxy, the Enterprise discovers a race of powerful aliens.
Once Upon a Planet
S1
E9
Upon returning to the Amusement Park planet, the Enterpise crew finds that the caretaker has died and the computer has taken over creating havoc.
Mudd's Passion
S1
E10
Space con artist Harry Mudd returns, selling a fake love potion.
The Terratin Incident
S1
E11
The Enterprise crew begins to shrink after radiation exposure.
The Time Trap
S1
E12
The Enterprise crew must work with Klingons to escape from a pocket universe.
The Ambergris Element
S1
E13
Kirk and Spock transform while exploring the planet Argo.
The Slaver Weapon
S1
E14
Spock, Sulu and Uhura are taken captive.
The Eye of the Beholder
S1
E15
Telepathic aliens put Kirk, Spock and McCoy in a zoo.
The Jihad
S1
E16
Kirk leads a group trying to recover a stolen religious relic.