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Star Trek: The Original Series/The Alternative Factor
From The TV IV
| The Alternative Factor | |
| Season 1, Episode 27 | |
| Airdate | March 30, 1967 |
| Production Number | 6149-20 |
| Written by | Don Ingalls |
| Directed by | Gerd Oswald |
| Produced by | Gene L. Coon |
| Stream |  |
| ← 1x26 Errand of Mercy |
1x28 → The City on the Edge of Forever |
| Star Trek — Season One | |
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The Alternative Factor is the twenty-seventh episode of the first season of Star Trek.
Starring: William Shatner (Capt. James T. Kirk)
Also Starring: Leonard Nimoy (Mr. Spock)
Guest Star: Robert Brown (Lazarus)
Featuring: DeForest Kelley (Dr. McCoy), Janet MacLachlan (Charlene Masters)
with Nichelle Nichols (Uhura), Richard Derr (Barstow), Arch Whiting (Assistant Engineer), Christian Patrick (Transporter Chief), Eddie Paskey (Lesley)
Contents |
Plot Overview
Identical men from parallel universes will cause total annihilation if they meet.
