This Island Earth (1955)

Extra-terrestrials flying in high-tech flying saucers contact scientist Dr. Russell Marvin as part of a plan to enslave the inhabitants of Earth.

A spaceship from another world crashes in the Arizona desert, and only an amateur stargazer and a schoolteacher suspect alien influence when the local townsfolk begin to act strange.

A Giant Octopus, whose feeding habits have been affected by radiation from H-Bomb tests, rises from the Mindanao Deep to terrorize the California Coast.

A spider escapes from an isolated desert laboratory experimenting in giantism and grows to tremendous size as it wreaks havoc on the local inhabitants.

The first U.S. spaceship to Venus crash-lands off the coast of Sicily on its return trip. A dangerous, lizard-like creature comes with it and quickly grows gigantic.

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

A ferocious dinosaur awakened by an Arctic atomic test terrorizes the North Atlantic and ultimately New York City.

The earliest atomic tests in New Mexico cause common ants to mutate into giant man-eating monsters that threaten civilization.

Scientists and American Air Force officials fend off a blood-thirsty alien organism while at a remote arctic outpost.

When Scott Carey begins to shrink because of exposure to a combination of radiation and insecticide, medical science is powerless to help him.

The film adaptation of the H.G.Wells story told on radio of the invasion of Earth by Martians.

The first manned expedition to Mars is decimated by an unknown life form...which stows away on the rescue ship.