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Watch Star Trek - Season 2 Episode 20 Online!:

Ancient alien minds are given control of Captain Kirk's and First Officer Spock's bodies.

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

Other episodes for this season

Amok Time
Episode 1 - Amok Time
Who Mourns for Adonais?
Episode 2 - Who Mourns for Adonais?
The Changeling
Episode 3 - The Changeling
Mirror, Mirror
Episode 4 - Mirror, Mirror
The Apple
Episode 5 - The Apple
The Doomsday Machine
Episode 6 - The Doomsday Machine
Catspaw
Episode 7 - Catspaw
I, Mudd
Episode 8 - I, Mudd
Metamorphosis
Episode 9 - Metamorphosis
Journey to Babel
Episode 10 - Journey to Babel
Friday's Child
Episode 11 - Friday's Child
The Deadly Years
Episode 12 - The Deadly Years
Obsession
Episode 13 - Obsession
Wolf in the Fold
Episode 14 - Wolf in the Fold
The Trouble With Tribbles
Episode 15 - The Trouble With Tribbles
The Gamesters of Triskelion
Episode 16 - The Gamesters of Triskeli...
A Piece of the Action
Episode 17 - A Piece of the Action
The Immunity Syndrome
Episode 18 - The Immunity Syndrome
A Private Little War
Episode 19 - A Private Little War
Return to Tomorrow
Episode 20 - Return to Tomorrow
Patterns of Force
Episode 21 - Patterns of Force
By Any Other Name
Episode 22 - By Any Other Name
The Omega Glory
Episode 23 - The Omega Glory
The Ultimate Computer
Episode 24 - The Ultimate Computer
Bread and Circuses
Episode 25 - Bread and Circuses
Assignment: Earth
Episode 26 - Assignment: Earth