Star Trek (1966–1969)
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The Doomsday Machine 

The USS Enterprise encounters the wrecked USS Constellation and its distraught captain who's determined to stop the giant planet-destroying robot ship that killed his crew.

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Cast

Episode complete credited cast:
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Elizabeth Rogers ...
Lt. Palmer
John Winston ...
Lt. Kyle
Richard Compton ...
Washburn
John Copage ...
Elliott
Tim Burns ...
Russ
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Montgomery
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Storyline

The U.S.S. Constellation and its crew were destroyed by a giant robot ship which consumes planets for fuel, leaving only a guilt-ridden Commodore Decker aboard the crippled ship. Kirk beams over to begin repairs while Decker beams aboard the Enterprise. After Kirk loses radio contact with the Enterprise, the obsessed Commodore seizes command of the starship, determined to destroy the planet-killer, even at the cost of Kirk's ship and the entire crew. Written by fkelleghan@aol.com

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TV-PG | See all certifications »
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20 October 1967 (USA)  »

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4:3
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Did You Know?

Trivia

Director Marc Daniels finished this episode in five days instead of the usual schedule of six. Daniels made a bet with the producers that he could finish the episode in five days. When he succeeded, he got a $500 bonus. See more »

Goofs

When the Enterprise shields are depleted, the planet-killer hits the Enterprise two more times. Assuming the planet-killer used the antiproton force-beam it used to break up the planets, the Enterprise should have been completely consumed in a massive antimatter explosion. See more »

Quotes

Capt. Kirk: Am I correct in assuming that a fusion explosion of 97 mega-tons will result if a starship impulse engine is overloaded?
Mr. Spock: No, sir. 97.835 mega-tons.
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Connections

Referenced in Star Trek New Voyages: Phase II: In Harm's Way (2004) See more »

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User Reviews

 
Superb Story of Obsession
7 July 2006 | by (Washington, DC) – See all my reviews

One of the other commentators described this story as "Moby Dick" in space, and William Windom makes a hell of an Ahab.

The Enterprise comes across the remains of the U.S.S. Constellation, whose only survivor is its commanding officer, Commodore Matt Decker (Windom). Kirk learns that the crew of the Constellation, as well as the star system it was patrolling, was the victim of a large, cone-shaped, matter-sucking machine. Decker, overwhelmed with guilt for the loss of his crew and an obsession for vengeance, takes command of the Enterprise (while Kirk is trying to repair the Constellation) and attempts to destroy the machine.

The key to this episode is Windom's superb performance, which is balanced against Nimoy's (as always) level-headed Spock and Shatner's sympathetic Kirk. The finale is also remarkably suspenseful.


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