"The Naked Time" is the fourth episode of the first season of the American science fiction television series Star Trek. Written by John D. F. Black and directed by Marc Daniels, it first aired on September 29, 1966.

"Where No Man Has Gone Before" is the third episode of the first season of the American science-fiction television series Star Trek. Written by Samuel A. Peeples and directed by James Goldstone, it first aired on September 22, 1966.