Star Trekhas never revealed what happened to the planet killer from the iconicStar Trek: The Original Seriesepisode, “The Doomsday Machine.” InTOSseason 2, episode 6, “The Doomsday Machine,“Captain James T. Kirk(William Shatner) and USS Enterprise pick up a distress signal from one of their sister ships, the USS Constellation. Following a trail of destroyed star systems, the Enterprise eventually finds the Constellation damaged and drifting in space. The only surviving crew member is the ship’s commanding officer, Commodore Matt Decker (William Windom), who is understandably distraught over the loss of his crew.
Commodore Matt Deckereventually explains that the USS Constellation encountered a massive planet-killing machine, which damaged their ship when they tried to destroy it. Decker evacuated his crew to a nearby planet, butthe doomsday machine soon destroyed the planet and the Constellation’s entire crew with it.After transferring over to the Enterprise, Decker steals a shuttlecraft and flies into the machine in a suicide run. This gives Kirk the idea to explode the Constellation inside the planet killer. Kirk’s plan destroys the machine’s power system, leaving it dead in space, and the planet killer never appears onscreen again.
Star Trek Never Revealed What Happened To TOS’ Doomsday Machine
Is The Planet Killer Still Adrift In Space?
Upon studying the planet killer,Spock (Leonard Nimoy)determines that the machine is automated and self-sustaining as long as it has planets to consume. Spock also concludes that the machine originated from outside of the Milky Way galaxy, and will cut through many more populated worlds if it continues on its course.Captain Kirk surmises that the doomsday machine may have been created by an alien raceas a bluff in some long-forgotten war. Because the neutronium hull of the machine is nearly indestructible, Kirk realizes that the only way to destroy it is from the inside out.
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When the Constellation’s weapons detonate inside the machine, it leaves the now inert planet killer floating in space. Considering how much remains unknown about the doomsday machine,it seems likely that Starfleet would wish to continue studying it.They have no way of knowing if the machine has some kind of ability to repair itself or if its presence in space will cause other problems. Kirk and Spock even speculate at the end of theclassicStar Trekepisodethat there could be other doomsday machines out there, but this thread is never followed up on either.
Star Trek’s Failed Plans To Bring Back The Doomsday Machine
The Planet Killer Has Fascinated Many Star Trek Writers
Although the doomsday machine has never appeared again onscreen, it has popped up in variousStar Trektie-in materials and other proposed projects. In 2004,Babylon 5creator J. Michael Straczynski and screenwriter Bryce Zabel proposed aStar Trekrebootstarring thecrew fromStar Trek: The Original Series.While Paramount reportedly never seriously considered their proposal, their story would have incorporated the return of the doomsday machine. Their show’s protagonists would be pursuing an alien race who turned out to be the original creators of the planet killer.
A model of the planet killer can be seen at a bar at Starbase 25 inStar Trek: Lower Decksseason 2, episode 5, “An Embarrassment Of Dooplers.”
TheStar Trek: The Next Generationtie-in novelVendettaby Peter David features a similar device that was believed to have been created as a weapon to combat the Borg. SeveralStar Trekshort stories, comics, and video games have also featured versions of the planet killer, some of them direct continuations of “The Doomsday Machine,” while others have incorporated different kinds of planet-killing machines. As far as the officialStar Trekcanon is concerned, however, the fate of the doomsday machine Captain Kirk encountered onStar Trek: The Original Seriesremains a mystery.
