Season: 1

Original Airdate:January 12, 1967

Writer(s): Paul Schneider

Director(s):Don McDougall

Guest Stars
William Campbell as Trelane
Richard Carlyle as Geophysicist Karl Jaeger
Michael Barrier as Lt. DeSalle
Venita Wolf as Yeoman Teresa Ross

Stardate: 2124.5

Synopsis: Kirk outwits a god-like being who turns out to be a child.

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