Season: 3

Original Airdate: September 20, 1968
Writer(s): Lee Cronin
Director(s): Marc Daniels
Guest Stars
Marj Dusay as Kara
Sheila Leighton as Luma
James Daris as Morg
Stardate: 5431.4

Synopsis: Some aliens steal Spock’s brain to manage their planet.

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