Star Trek: The Original Series S3, E20

In the 23rd Century, Captain James T. Kirk and the crew of the U.S.S. Enterprise explore the galaxy and defend the United Federation of Planets.

Cast:William Shatner , Leonard Nimoy , DeForest Kelley , Nichelle Nichols , James Doohan , Eddie Paskey , George Takei , Walter Koenig , Majel Barrett , John Winston , Paul Baxley , David L. Ross , Jay D. Jones , Grace Lee Whitney , Sean Morgan , Bart La Rue , Barbara Babcock , Dick Geary