A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship and return to Mars, he will be able to start a full-scale invasion of Earth. Good thing Craig Foster sets out to thwart the Monster's mission!
After a UFO sighting, a mysterious phantom in a bizarre outfit starts attacking people in San Fernando Valley.
At a decrepit farm outside a remote American desert community, something takes over the minds of some of the local humans and animals and is able to see through their eyes and control their actions.
An upholsterer who is preparing a rocket for takeoff accidentally jettisons himself into space and returns to Earth 500 years later with an alien companion who wishes to learn more about the human race.
The inhabitants of Ganymede need to find mates from another world or they will become extinct. They soon discover a suitable breeding stock amongst the females of planet Earth.
Mysterious creatures that have landed on the ground in a flying saucer, encouraging the people they meet to undergo experimental research in exchange for gaining youth and immortality.
In this comedy, Iris Berben plays a mysterious, supernaturally beautiful girl from another planet, who confuses and flusters the men on earth, where she has landed. The men follow her wherever she goes. Marquard Bohm is no exception here - he leaves his wife in a lurch and travels with the Supergirl to Spain. The girl doesn't tell much about herself; she reports, though, about an impending threat from outer space.
Six people find a mysterious mark in the center of their left hand and all independently go to Easter Island in hopes to uncover the mystery.
Some aliens stalk and kidnap humans to take their eyes off and send them to their planet, the same Blue Demon falls into the trap, trying to rescue his brother.
When a group of small aliens accidentally abandons one of their own on Earth, adventurous kids Max and Pete stumble upon the "Glitterball" and attempt to return it to its mother ship. As the children learn more about the friendly alien and its magical powers, they must protect their new companion from an army corporal and a small-time thief who are both hunting the extraterrestrial for their own cruel purposes.
One of several 1970s documentaries on the subject of unidentified flying objects (UFO), supporting the view that Earth is visited regularly by extra-terrestrial engines and aliens.
Matthew Gore is an intelligent boy chosen by a mysterious extraterrestrial visitor to be a source of information about life on Earth. As his schoolwork and artistic talent improve dramatically he arouses the suspicion of powerful groups who wish to tap into the amazing fund of knowledge to which he is now party.
A year has passed since Matthew said goodbye to his alien friend, and in the summer holidays he meets Albertine, a mathematical prodigy, with whom he discovers he can communicate telepathically. One day Chocky returns to warn Matthew that they are both in danger. When he returns to tell Albertine, he finds she has disappeared.
To escape his captors an industrial spy hijacks a space shuttle only to find the controls malfunctioning. Catapulting through outerspace, he sights alien battleships approaching earth. Many years later when the arc of his flight path returns him to earth, he discovers the planet is completely under alien domination, totally devastated by thermo-nuclear battles. Desperate and alone, he searches for any human existence. Finding a group of survivors, together they fight the aliens to save mankind.
A scientific experiment unknowingly brings extraterrestrial life forms to the Earth through a laser beam. First is the cigar smoking drake Howard from the duck's planet. A few kids try to keep him from the greedy scientists and help him back to his planet. But then a much less friendly being arrives through the beam...
Chocky hopes, with Matthew and Albertine's help, to help the human race discover cosmic power, which unlike Earth's finite natural resources, will sustain them for as long as the universe itself exists. But their knowledge has aroused a great deal of interest from the military, and they are willing to take drastic action if they don't get what they want.
A space child, lost in the universe, is abducted by the U. S. Space Foundation. In a desperate intergalactic search for the frightened little alien, his brother Nukie® mistakenly lands in Africa where he is befriended by African twins. Together they journey through the laughter and adventure of talking lions, a greedy witch doctor, a charming chimpanzee, a feisty nun, a compassionate scientist and an outrageous romantic computer named E.D.D.I. The bewildered Nukie® follows the telepathic whispers of his brother, always believing that "If you don't know what to do, look to the stars and make a wish; if it's a good wish, the stars will hear you and it will happen." It will take you home again.
In a studio setting, Stephen Hawking, Arthur C. Clarke and Carl Sagan (who joins them via satellite) discuss the Big Bang theory, God, our existence as well as the possibility of extraterrestrial life.
A Mysterious Alien Creature (MAC) escaping from nefarious NASA agents, is befriended by a young boy in a wheelchair. Together, they try to find MAC's family from whom he has been separated.
On October 8th, 1983, the Van Heese family gathered together to celebrate the 5th birthday of Michelle, the littlest member of their household. Everything was captured on VHS by Michael McPherson and his new camcorder — including the alien invasion.