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.
The world is shocked by the appearance of three talking chimpanzees, who arrived mysteriously in a U.S. spacecraft. They become the toast of society; but one man believes them to be a threat to the human race.
A psychologist is sent to a station orbiting a distant planet in order to discover what has caused the crew to go insane.
In the far reaches of space, a small crew, 20 years into their solitary mission, find things beginning to go hilariously wrong.
The sole survivor of an interplanetary rescue mission searches for the only survivor of the previous expedition. He discovers a planet ruled by apes and an underground city run by telepathic humans.
A football player and his friends travel to the planet Mongo and find themselves fighting the tyranny of Ming the Merciless to save Earth.
In a future where all flora is extinct on Earth, an astronaut is given orders to destroy the last of Earth's botany, kept in a greenhouse aboard a spacecraft.
Two lovers stationed at a remote base in the asteroid fields of Saturn are intruded upon by a retentive technocrat from Earth and his charge: a malevolent 8-ft robot. Remember, in space no one can hear you scream.
A young farmer sets out to recruit mercenaries to defend his peaceful planet, which is under threat of invasion by the evil tyrant Sador and his armada of aggressors.
An astronaut is transformed into a murderous gelatinous mass after returning from an ill-fated space voyage.
A 20th century astronaut emerges out of 500 years of suspended animation into a future time where Earth is threatened by alien invaders.
An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.
A UFO is stranded on earth and impounded by the US government. Its pilot, a cat with a collar that has special powers, including the ability to allow the cat to communicate with humans, has...
A former astronaut helps a government agent and a police detective track the source of mysterious alien pod spores, filled with lethal flesh-dissolving acid, to a South American coffee plantation controlled by alien pod clones.
Giant spiders from another dimension invade Wisconsin.
Shortly after the launch of a satellite from a space shuttle the satellite collides with an UFO in front of the crew's eyes. Because of an election campaign some politicians try to hide the...
Sun Ra--space-age prophet, Pharaonic jester, shaman-philosopher and avant-jazz keyboardist/bandleader--land his spaceship in Oakland, having been presumed lost in space for a few years. ...
A space-ship gets lost and is forced to make an emergency landing on an unknown planet. The planet looks much like Earth, only with no trace of civilization. Soon the crew discovers that ...
A spaceship lands back on Earth after a failed mission, but the astronauts have been replaced by hideous creatures that can penetrate people's bodies and make them explode. A group of cave ...