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Star Trek

Series 1 Episode 27: The Alternative Factor

While investigating an uncharted planet, the crew encounters Lazarus, a man on the run from his alter ego in a parallel universe.

Adventure / Fantasy / Science fiction
Original air date
Cast and crew
  • Gerd OswaldDirector
  • William ShatnerCapt. James T. Kirk
  • Leonard NimoyMr. Spock
  • DeForest KelleyDr. Leonard McCoy
  • James DoohanEngineer Montgomery Scott
  • Nichelle NicholsLt. Uhura
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