Star Trek
That Which Survives
Season 3, Episode 17 · Aired 1969-01-24

Synopsis
The Enterprise discovers a planet that defies the conventional theories of planetology, so Kirk, Sulu, McCoy and D'Amato (a geologist) beam down to investigate. As they depart, a mysterious woman appears in the transporter room and attacks the chief there. Then the Enterprise is hurled nearly a thousand light years away! The strange female apparition reappears, and demonstrates that she is a grave threat to both stranded crew and the ship...
In the series
This episode is part of Star Trek (1966–1969) on NBC.
A cancelled space opera that refused to die — fandom's founding text.
Key cast
- William Shatner as Capt. James T. Kirk
- Leonard Nimoy as Spock
- DeForest Kelley as Dr. Leonard McCoy
- Nichelle Nichols as Uhura
- James Doohan as Scotty