There once was a man named Vic Savage. You're probably thinking "So?" Well, he knew an {{Exploitation Film}}maker named Allan Silliphant (who would later direct ''The Stewardesses'', the most profitable 3D movie with respect to budget of all time) that was related to Stirling "InTheHeatOfTheNight" Silliphant. Vic bought a story from Allan, pretended he bought a story from Stirling, and pulled together some investors - supposedly by promising cameo roles. He took the money, made... a "movie," [[SpringtimeForHitler and disappeared with most of the investors' money.]]

The story is about an UFO that releases a giant caterpillar-like monster who begins eating random people. It turns out that [[spoiler: the monsters (there's a second one inside the ship) are actually robots sent to analyze human beings for aliens. Although the monsters are destroyed by the end, the spaceship still beams its collected data into space]]...

This "movie" would later be remembered as being particularly bad even for ''MysteryScienceTheater3000''. For tropes and specifics relating to the ''MST3K'' version, please check the [[Recap/MysteryScienceTheater3000S06E06TheCreepingTerror episode recap page]].

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!!This film provides examples of:
* {{Cameo}}: Most memorably obese investor #5 as Jimmy's grandpa.
* CarFu: The second monster is defeated by ramming it with a truck! Armies of the world, take note: when guns are useless, grab a Ford!
* ClothingDamage: A blink-and-you-miss-it moment. When the monster attacks the dance party, a woman tries to escape, only for a guy to come after her and pull her away ''tearing her dress top off''.
* {{Corpsing}}: Dr. Bradford is laughing like crazy as the monster attempts to eat him.
* DullSurprise
* FauxlosophicNarration
* {{Fanservice}}: The various shots of wiggling female legs disappearing down the monster's gullet. May also count as FetishFuel for some. [[{{MST3K}} Servo]] speculated that the director had a vore fetish.
** FanDisservice: And for others, it's ruined by the fact that, well, they're getting eaten (and that it doesn't apply to the male victims).
* FunnyBackgroundEvent: The drunk at the party is seen still drinking at the bar while everyone is slowly trying to either leave or crawl into the monster's mouth.
* InfantImmortality: Averted with Bobby. Played straight with the actual baby.
* KillEmAll: This film has very few survivors.
* MonsterMisogyny: One of the most blatant examples.
* TheNarrator: Who seems to only talk when the characters should be. The plan was originally to dub it over, similar to Manos, but they decided to use a Narrator instead.
* PregnancyTropes: Averted. There's just suddenly a baby.
* ShaggyDogStory
* ScienceIsBad: [[JerkAss Dr. Bradford]] is clearly wrong for taking any kind of non-military action. Not that the military are any better.
* SwallowedWhole: How just about everyone gets it, though the men go down fast while the [[MonsterMisogyny women go down struggling, wriggling, and screaming all the way.]]
* TooDumbToLive: Almost all of the victims tend to stand in place and scream rather than flee the easily outrunable creature, except the ones in cars. [[UpToEleven They just kind of sit there and scream, even though they could outspeed the monster by at least 1000%]]. The monster design pretty much makes it impossible to eat anyone without their willing assistance.
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