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Watch Star Trek - Season 1 Episode 25 Online!:

Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.

Writing:
  • Gene Roddenberry

Stars:
Release Date: 1966-09-08
Seasons: 1 2 3
Metacritic: 8.2/10
TMDb: 8.0/10
  • Country: US
  • Language: English
  • Runtime: 50

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Charlie X
Episode 2 - Charlie X
Where No Man Has Gone Before
Episode 3 - Where No Man Has Gone Bef...
The Naked Time
Episode 4 - The Naked Time
The Enemy Within
Episode 5 - The Enemy Within
Mudd's Women
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Dagger of the Mind
Episode 9 - Dagger of the Mind
The Corbomite Maneuver
Episode 10 - The Corbomite Maneuver
The Menagerie (1)
Episode 11 - The Menagerie (1)
The Menagerie (2)
Episode 12 - The Menagerie (2)
The Conscience of the King
Episode 13 - The Conscience of the Kin...
Balance of Terror
Episode 14 - Balance of Terror
Shore Leave
Episode 15 - Shore Leave
The Galileo Seven
Episode 16 - The Galileo Seven
The Squire of Gothos
Episode 17 - The Squire of Gothos
Arena
Episode 18 - Arena
Tomorrow Is Yesterday
Episode 19 - Tomorrow Is Yesterday
Court Martial
Episode 20 - Court Martial
The Return of the Archons
Episode 21 - The Return of the Archons
Space Seed
Episode 22 - Space Seed
A Taste of Armageddon
Episode 23 - A Taste of Armageddon
This Side of Paradise
Episode 24 - This Side of Paradise
The Devil in the Dark
Episode 25 - The Devil in the Dark
Errand of Mercy
Episode 26 - Errand of Mercy
The Alternative Factor
Episode 27 - The Alternative Factor
The City on the Edge of Forever
Episode 28 - The City on the Edge of F...
Operation: Annihilate!
Episode 29 - Operation: Annihilate!