Not a feature film, but several episodes of the TV series Rocky Jones, Space Ranger (1954) edited together and released as a feature.

"Quatermass II" is a British science-fiction serial, originally broadcast by BBC Television in the autumn of 1955. Meteorites are falling over Northern England, one of which is observed by an Army radar unit. After a farmer finds one of the objects in a field, the soldiers become directly involved, and Captain Johnny Dillon decides to unofficially ask the father of his fiancée, Paula, to investigate. Paula's father is Professor Bernard Quatermass of the British Experimental Rocket Group — "the rocket man!", as one of Dillon's troops puts it. Quatermass and the Rocket Group, now including Paula and mathematical genius Dr. Leo Pugh, are recovering from the news that one of the twonuclear Quatermass II rockets has exploded during a ground test in Australia, killing hundreds of staff and ending their project to build permanent bases on the Moon.

Professor Bernard Quatermass' manned rocket ship returns to Earth, but two of the astronauts are missing and the survivor seems ill and unable to communicate.

Aliens come to Earth seeking scientists to help them in their war.

A dysfunctional family operating an isolated date farm in the California desert is threatened by the arrival of an extra-terrestrial.

Ted King, aided by Jack Janiero, is in charge of a company owned by Peter Merriman, reputed playboy, which he inherited from his father. Merriman decides to have a look at the company which is getting shells and pearls from the ocean's bottom. King discovers a body out in the ocean and brings it in, which sets off a police investigation into the possible smuggling of undesirable aliens into the area and they ask for King's help. Merriman arrives and falls instantly for King's daughter, "Rusty." He also shows them that the use of modern equipment can streamline the operation as well as save lives, which he does for King when he is trapped under the sea. When the smugglers learn King is on their trail, they take "Rusty" hostage, but King, Jack and Merriman, with the use of Merriman's aqua-lungs, follow and rescue her and capture the crooks and killers before the police arrive.

In a Scottish inn, the owners, employees and guests are reunited in the bar. Out of the blue, a flying saucer lands nearby and a woman dressed in black leather like a dominatrix with a cape arrives in the bar armed with a ray-gun. She explains that she is Nyah from Mars, and she was heading to London. However her spacecraft collided with an airplane and was damaged; therefore she had to land to repair the saucer. She also explains that she is looking for men to breed her female race since the male population is dying after warfare between males and females and they need offspring. Nyah has the robot Chani to help her to capture men, but she wants that one of the men volunteers to go with her to Mars. Who might be the volunteer?

Giant robots from Venus invade Chicago. Stranded in the deserted city are strangers Frank and Nora.

Tonight, first contact will be made! A beautifully-crafted tale of a superior being from Venus who has the power of life and death at his touch. Academy Award-winning actress Patricia Neal's glowing and sensitive performance as a woman caught up in the biggest event in history is complemented by Helmut Dantine's powerful, moving portrayal as the Stranger. Suggested by events in the sci-fi classic "The Day the Earth Stood Still," this film is a touching, humanizing and haunting story of "first contact" with a peaceful and advanced intelligence from another planet coming to Earth with an ultimatum and out-of-this-world powers to back it up.

This was never released as a feature film but, instead, is comprised of 3 episodes from the TV series, Rocky Jones, Space Ranger (1954) which were edited together and released on video as a feature-length story.

This outer space adventure marked the debut of Rocky Jones and his Space Rangers. Two of Rocky's allies are captured by aliens and brain washed.

Rocky Jones and his crew discover a pair of "gypsy" moons, tied together by an atmospheric chain and inhabited by warring civilizations. Bovaro lives with his wife on Posita. The other moon, Negato, is ruled over by Torvak. Negato has used music as a weapon to enslave Posita for years. Bovaro has forced the Orbit Jet down onto the surface and refuses to let them free unless they agree to help him destroy Negato. The Orbit Jet can fly in space, outside the range of Negato defenses that are limited to the atmosphere chain. Through Vena's friendship with Bavaro's wife Clolanta, Rocky talks him into supporting a diplomatic mission to forge a peace between the two moons. They fly to Negato and are able to negotiate peace talks. Meanwhile, Cleolanta uses Rocky's radio silence to trick the Secretary of Space into flying to the planet Ankapol where she has a hypnosis chamber. She cleverly splices together recordings of Rocky's previous transmissions. She plans to force him to recommend that Ophicius take over some of the United World planets. Rocky appears just in time to prevent it. Throughout the film, Bobby uses parallels in Homer's Odyssey to suggest how Rocky should proceed.

Wacky complications ensue when a little boy comes into possession of a ray gun that compels anyone caught in its beam to tell the truth. He uses it to prevent his orphanage from being shut down by creditors and to help a cute couple fall in love.

A small town in California is attacked by Martians, beginning a worldwide invasion.

Space hero Daffy battles Marvin the Martian for control of Planet X.

The Quatermass Experiment is a British science-fiction serial broadcast by BBC Television during the summer of 1953 and re-staged by BBC Four in 2005.Set in the near future against the background of a British space programme, it tells the story of the first manned flight into space, supervised by Professor Bernard Quatermass of the British Experimental Rocket Group. When the spaceship that carried the first successful crew returns to Earth, two of the three astronauts are missing, and the third is behaving strangely. It becomes apparent that an alien presence entered the ship during its flight, and Quatermass and his associates must prevent the alien from destroying the world.

John Putnam is a writer and an amateur stargazer with a new home out in the beautiful Arizona desert, which he enjoys with Ellen Fields, his girlfriend and a local schoolteacher. John is not trusted by the people of the small town near where he lives, certainly not by Sheriff Matt Warren, who feels protective of Ellen, and perhaps something more. One night, John and Ellen see a meteorite crash in the desert. John drags his friend, Pete, out of bed to take him over to the crash site in his helicopter. Once there, John climbs down into the crater. Unfortunately, he does so alone, as Pete and Ellen wait for him. John is the only one who sees the spaceship before a landslide covers it. And John is the only one who catches a glimpse of the hideous thing inside. At first John's story seems mad, until some of the townsfolk begin acting strange - as if they aren't really who they seem to be.

A young boy learns that space aliens are taking over the minds of earthlings.

Two workmen accidentally launch a space rocket intended for Mars, and find mistakenly landing in New Orleans just the beginning of their misadventures.