After a space merchant vessel perceives an unknown transmission as a distress call, its landing on the source moon finds one of the crew attacked by a mysterious life-form, and they soon realize that its life cycle has merely begun.
When an alien spacecraft of enormous power is spotted approaching Earth, Admiral Kirk resumes command of the Starship Enterprise in order to intercept, examine and hopefully stop the intruder.
A 20th century astronaut emerges out of 500 years of suspended animation into a future time where Earth is threatened by alien invaders.
The bungling inspector Cruchot (Funès) finds himself trying to save the residents of St. Tropez from some oil-drinking humanoid aliens. The only way to tell the aliens from the real people,...
A young humanoid alien who gets stranded on earth hooks up with a grizzled old sheriff in a western town and tries to help him solve a tough case, but the sheriff doesn't want any help from a "kid."
An alien mutilator stalks and kills human prey during the night.
A separate screenplay by Nigel Kneale for theaters, parallel to the 1979 Quatermass four part mini-series. The story set in the near future involves influences from outer space that are possessing people. Professor Quatermass must save his granddaughter from the clutches of a popular and sinister cult "Planet People" that "performs raptures".
Low-budget aliens (three nice-looking women and a gay computer voice-over) crash-land in England and abduct four earthlings.