Star Trek: Season 1, Episode 1

The Man Trap (8 Sep. 1966)

TV Episode  -   -  Action | Adventure | Sci-Fi
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Ratings: 7.3/10 from 1,353 users  
Reviews: 17 user | 11 critic

Dr. McCoy discovers his old flame is not what she seems after crew members begin dying from a sudden lack of salt in their bodies.



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Title: The Man Trap (08 Sep 1966)

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Episode complete credited cast:
Alfred Ryder ...
Bruce Watson ...
Michael Zaslow ...
Vince Howard ...
Francine Pyne ...
Nancy III


In the series premiere, the Enterprise visits planet M-113 where scientists Dr. Crater and his wife Nancy, an old girlfriend of Dr. McCoy, are studying the remains of an ancient civilization. When Enterprise crewmen begin turning up dead under mysterious circumstances, Kirk and Spock must unravel the clues to discover how, why, and who is responsible. Written by JW Kearse

Plot Summary | Plot Synopsis


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Release Date:

8 September 1966 (USA)  »

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


This episode's original script title was "The Unreal McCoy." It was used in James Blish's novelization of the episode. See more »


During the climatic scene in McCoy's quarters McCoy is shot out of focus. See more »


[first lines]
Captain James T. Kirk: Captain's log, stardate 1513.1. Our position, orbiting planet M-113. On board the Enterprise, Mr. Spock, temporarily in command. On the planet, the ruins of an ancient and long-dead civilization. Ship's surgeon McCoy and myself are now beaming down to the planet's surface. Our mission: routine medical examination of archeologist Robert Crater and his wife Nancy. Routine but for the fact that Nancy Crater is that one woman in Dr. McCoy's past.
See more »


Featured in Bring Back... Star Trek (2009) See more »

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User Reviews

Quite a Salty Episode
23 April 2014 | by (United States) – See all my reviews

This is really quite good. The crew goes to a planet where Dr. Crater and his wife are due for a required checkup. They have been on the planet for five years. Mrs. Crater is a former love interest of Dr. McCoy and he looks forward with trepidation to seeing her. When the away team gets there each of them sees this woman in different. To McCoy, she appears to be as young as when they last met; Kirk sees her as one of an appropriate age; and the other crewman sees her as a woman from a pleasure colony. Now the bodies start to pile up. The men meet Dr. Crater who is uncooperative and unfriendly. A scream is heard outside and upon investigation, the body of the third crewman lies dead, circular burn-like marks on his skin. The central issue has something to do with salt. The body, when investigated, is lacking salt. Mrs. Crater is really worried that their salt supply is dissipated. Soon even more bodies are found. The thing is a shape-changer and it begins to find ways of attacking crew members to remove its salt.

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