The Next Generation: Season 2 (1988-1989)
S02E07

Unnatural Selection

Stardate: 42494.8 Year: 2365

A mysterious disease infects a research station, and the Enterprise is sent to investigate.

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Broadcast: 30 January 1989
Format: Episode Prod #: 133
Writer(s): John Mason and Mike Gray
Director(s): Paul Lynch
Story Order: 310 | Correct Order: 141