S1E5

The Enemy Within

Star Trek

calendar_todayOct 6, 1966 schedule50 min star7.3

Split by a transporter malfunction into two beings with very different personalities, the resulting twin Captain Kirk proves that neither a purely evil nor a sweetly good captain can survive without the missing half.

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broadcast_on_home Networks

NBC

star Guest Stars

Eddie Paskey

Lieutenant Leslie (uncredited)

Grace Lee Whitney

Janice Rand

Jim Goodwin

Farrell

Edward Madden

Fisher