Star Trek
S02E18 The Immunity Syndrome
The Enterprise crew comes across a mysterious energy-draining field that poses a serious threat, potentially capable of annihilating the entire galaxy.
Season 2 Episodes
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Amok Time
Who Mourns for Adonais?
The Changeling
Mirror, Mirror
The Apple
The Doomsday Machine
Catspaw
I, Mudd
Metamorphosis
Journey to Babel
Friday's Child
The Deadly Years
Obsession
Wolf in the Fold
The Trouble With Tribbles
The Gamesters of Triskelion
A Piece of the Action
The Immunity Syndrome
A Private Little War
Return to Tomorrow
Patterns of Force
By Any Other Name
The Omega Glory
The Ultimate Computer
Bread and Circuses
Assignment: Earth