Home Soil
Star Trek: The Next Generation: Season 1, Episode 18
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A powerful microscopic life form declares war on humans, takes over the Enterprise's lab and computers, and threatens to destroy the ship.
Writer: Robert Sabaroff
Director: Corey Allen
Season number: 1
Episode no: Season 1; Episode 18
Original air date: February 22, 1988
Story by: Robert Sabaroff; Karl Geurs; Ralph Sanchez