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The Doomsday Machine (Star Trek: The Original Series)

"The Doomsday Machine"
Star Trek: The Original Series episode
STDoomsday Machine.jpg
The USS Constellation enters the Doomsday Machine.
Episode no. Season 2
Episode 6
Directed by Marc Daniels
Written by Norman Spinrad
Featured music Sol Kaplan
Cinematography by Jerry Finnerman
Production code 035
Original air date October 20, 1967 (1967-10-20)
Guest appearance(s)
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List of Star Trek: The Original Series episodes

"The Doomsday Machine" is a second season episode of the science fiction television series, Star Trek. It is episode number 35, production number 35, and was first broadcast on October 20, 1967, and repeated on April 19, 1968. It was written by Norman Spinrad, and directed by Marc Daniels.

In this episode, the starship Enterprise comes into contact with her sister ship, the USS Constellation, which has been heavily damaged by a huge, apparently invulnerable planet-killing machine from another galaxy. Kirk and his crew must find a means to stop the device heading for heavily populated areas of our galaxy, and deal with the heavily traumatized Commodore Decker, the Constellation's only survivor.

The Federation starship USS Enterprise, following a trail of planets that have been destroyed by unknown means, receives a distress call from her sister ship, the USS Constellation. On arrival, they find the Constellation severely damaged and the bridge uninhabitable. Captain Kirk, Chief Medical Officer Dr. McCoy, Chief Engineer Scott and a damage control team transport to the ship to evaluate her, and in Auxiliary Control discover the only member of the crew still aboard, Commodore Matt Decker, her captain, who is suffering from mental trauma.

Through an anguished Q&A with Kirk, Decker explains that they had discovered a giant machine miles long that used beams of antiprotons to tear apart planets and consume the debris, fueling its progress through this sector of the galaxy. He had ordered the Constellation to attack the machine, but the ship suffered heavy damage from the planet-killer. Decker had evacuated his crew to one of the planets of the star system, but was aghast when the machine destroyed it. Kirk theorizes the machine may be an ancient doomsday machine, inadvertently activated, and they must find a way to stop it before it reaches more populated sectors of the galaxy. McCoy takes Decker back to Enterprise while Scott's damage control team attempt repairs on the Constellation's impulse engines and shields. Kirk attends to the Constellation's nonfunctional viewscreen, which will be his only means of monitoring events outside the ship (besides descriptions from Enterprise).


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