Star Trek S2E18 poster

Watch Star Trek – Season 2 Episode 18: The Immunity Syndrome

Star Trek • Season 2, Episode 18 • 50 min • 1966 • ⭐ 8.0/10 • Drama , Sci-Fi & Fantasy

Cast: William Shatner , Leonard Nimoy , DeForest Kelley , James Doohan , Walter Koenig , George Takei , Nichelle Nichols

Directors: Gene Roddenberry

Watch Star Trek – S2E18

Episode Overview

The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy.

Episode Navigation

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Assignment: Earth

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