1. Spock's Brain (1968)
An alien female beams aboard the ship and, after incapacitating the rest of the crew, surgically removes Spock's brain. Kirk and the crew have just hours to locate and replace it before Spock's body dies.
Release date: 1968-09-20
User rating:
5.9 / 10
37 votes
Season number: 3
Episode number: 1
Runtime: 51 minutes
Director: Marc Daniels
Writer: Gene L. Coon
Guest stars
Cast
Rest of guest stars - click here to expand
Sheila Leighton - Luma, Frieda Rentie - Enterprise Lieutenant (uncredited), Jeannie Malone - Yeoman (uncredited), Pete Kellett - Morg Guard (uncredited), James Daris - Creature