2.18 The Immunity Syndrome

After losing contact with the U.S.S. Intrepid and the Gamma 7-A star system, the Enterprise encounters a giant amoeba that is preparing to reproduce.

The Immunity Syndrome
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TOS Season 2, Episode 18

WRITTEN BY
Robert Sabaroff
DIRECTED BY
Joseph Pevney

First Aired Jan 19, 1968
Stardate 4307.1