"
The Man Trap" was the first episode to be broadcast in the American
science fiction television series
Star Trek, but the sixth to be filmed. It aired on
NBC on September 8, 1966. The story was assigned to
George Clayton Johnson; his first draft was entitled "Damsel With a
Dulcimer", incorporating elements from his
Twilight Zone episode "
The Four of Us Are Dying". Series creator
Gene Roddenberry, producer
Robert H. Justman and story editor
John D. F. Black all tweaked elements of the episode. The story, part of Roddenberry's original
Star Trek pitch to the studio, was chosen for the first broadcast episode because the studio liked its horror-based plot. "The Man Trap" placed first in the timeslot with a
Nielsen rating of 25.2 percent for the first half-hour and 24.2 for the remainder. After broadcast, reviewers criticized the violent scenes but praised the acting. More recent appraisals have been mixed; praise has been given to the plot and diverse cast, but
Hollywood.com listed it among the worst episodes of the series. The creature, created by
Wah Chang and
William Ware Theiss, has been dubbed the "salt vampire" by fans. (
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