A Martian is sentenced to visit earth to cure a selfish man.
Dave Fleischer sends Koko to Mars.
When a deadly Nitron ray strikes Earth, Flash Gordon and his friends travel to Mars to battle Ming the Merciless and his new ally Queen Azura.
Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has become too dangerous); opposing his authority is Kent Fowler, who resists the alien plot, without understanding its details.
While watching for a planet that may collide with earth, scientists stationed in Scotland are approached by a visitor from outer space.
In the early hours of the night, young David Maclean sees a flying saucer land and disappear into the sand dunes just beyond his house. Slowly, all of the adults, including his once loving parents, begin to act strangely.
After a UFO sighting, a mysterious phantom in a bizarre outfit starts attacking people in San Fernando Valley.
Giant robots from Venus invade Chicago. Stranded in the deserted city are Frank and Nora (who has recently attempted suicide). They meet a celebrating couple at a café, Vicki Harris and Jim Wilson. The quartet escape the robot patrol and take refuge in a large hotel. There, they encounter a new danger in Davis, a psychopathic killer.
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
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.
A Martian explorer discovers the secrets behind the USA's prosperity — oil and free enterprise.
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
While meeting a new friend, Gerald is abducted by aliens and whisked to the planet Moo. The king of Moo mistakenly thinks that all Earthlings - like Gerald - speak only in sound effects, and he attempts to converse with Gerald. Hoping to lure Earth tourism to his planet, the king brings the boy back to Earth in the hope of establishing good relations, but Earth diplomats are puzzled by the king's unusual language
A group of schoolchildren come upon an alien from Venus, and help him against a gang of criminals who are trying to kidnap him.
An astronaut and crew land on Jupiter's 13th moon and find a monster and women from Atlantis.
An alien from Venus tries to take over the world with the help of a disillusioned human scientist, as his wife, his best friend and the friend's wife try to intervene.
A 1956 alien invasion tokusatsu film directed by Shinichi Sekizawa, the screenwriter noted for his immense contributions to Toho's Godzilla series by providing the screenplays/stories for the majority of the original Showa films.
Five individuals from five nations, including the USA, USSR, and China, suddenly find themselves on an alien saucer, where an alien gives each a container holding three capsules. The alien explains that no power on earth can open a given container except a mental command from the person to whom it is given, then anyone may take a capsule and, by speaking a latitude and longitude at it, cause instant death to all within a given radius: thus each of the five has been provided with the power of life and death. Then, they are given 27 days to decide whether to use the capsules, and returned to the places from which each one came...
An agent from a distant planet has been sent to earth to ship large quantities of blood to his world, where a plague is ravaging the populace. He comes equipped with an interstellar matter transmitter, telepathic mind-control powers, and deathray-shooting eyes. Because he is also affected by the blood disease, he gains control of the town's physician and has him place a nurse at his disposal, while he collects live humans for fresh blood; but gains the nurse's suspicions, along with those of her boyfriend - a town police officer.
A scientist and a gang that has kidnapped a rich heiress come up against a beautiful but lethal alien who has crash-landed her spaceship on Earth.