Spock's Brain
Series: Star Trek
Airdate: September 20, 1968 | Year Set: 2268
Season 3, Episode 1
Summary
An alien woman materializes on the bridge of the Enterprise and knocks the command crew unconscious. When they come to, they discover that Spock's brain has been stolen and they have to race against time to track her down and recover the brain in order to save Mr. Spock.