Season 1, Episode 27 The Alternative Factor
Kirk's investigation of an energy force takes him to a planet where he encounters Lazarus (Robert Brown), who is actually two people---one sane, one insane---from parallel universes. Barstow: Richard Derr. Lt. Charlene Master: Janet McLaghien. Kirk: William Shatner. Spock: Leonard Nimoy. Uhura: Nichelle Nichols.
Next On TVSee all »
Cast & Details See all »
- Rating: TV-PG
- Premise: Capt. Kirk, Mr. Spock, Dr. McCoy and the USS Enterprise crew seek out new civilizations in this seminal sci-fi series. The ship's five-year mission may have only lasted three seasons on NBC, but its impact has proved timeless. By the 1970s, its rabid fans-… (more)
Trending TonightSee all »
Here's how everything changed in "Chapter 6"