Best Science Fiction Movies of 1956

Captain Adams and the crew of the Starship C57D travel to planet Altair 4 in search of the spaceship "Bellerophon" that has been missing for 20 years. To their surprise, they are expected.

In a totalitarian future society, a man whose daily work is rewriting history tries to rebel by falling in love.

A 400-foot (122-meter) fire-breathing dinosaur, awakened from undersea hibernation off the Japanese coast by hydrogen-bomb testing, attacks Tokyo.

Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.

When a fissure explosively opens in an English mud flat during a military exercise there, injuring one soldier and killing another, an American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.

Four astronauts returning from man's first mission to Mars enter a time warp and crash on a 26th Century Earth devastated by atomic war. At first unaware where they are, but finding the atmosphere safe to breathe, they start exploring and find themselves in a divided future where disfigured mutants living like cavemen inhabit the surface, while the normals live comfortably below the surface but are dying as a race from lack of natural water, air and sunlight.

A cosmic mix-up results in a Martian baby being delivered to Earth, while an Earth baby is sent to Mars. Joseph Wilbur and his wife try to raise the green-skinned, ingenious Martian tyke as if he were an Earthling. But the kid builds his own spaceship and flies away, and Wilbur must find him and bring him back, or he'll never be able to make an exchange with the Martian parents for his own boy.

The third film in The "Creature From The Black Lagoon" franchise sees the Gill Man turned into an air-breather by a mad scientist.

An alien from Venus tries to take over the world with the help of a disillusioned human scientist.