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

An alien from planet Davanna, whose population has developed a terminal blood disease caused by nuclear radiation, is sent to Earth to acquire fresh human blood for his people.

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.

After a nuclear attack, an unlikely group of survivors, including a geologist, a crook and his moll, and a prospector, find temporary shelter in the remote-valley home of a survivalist and his beautiful daughter, but soon have to deal with the spread of radioactivity - and its effects on animal life, including humans.

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.

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.

After a nuclear attack, an unlikely group of survivors, including a geologist, a crook and his moll, and a prospector, find temporary shelter in the remote-valley home of a survivalist and his beautiful daughter, but soon have to deal with the spread of radioactivity - and its effects on animal life, including humans.

A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.

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.

Deep in the jungles a mad scientist is using the natives' voodoo for his experiments to create an indestructible being to serve his will. When a party of gold seekers stumbles upon his village, the scientist realizes that Marilyn the expedition's evil leader is the perfect subject for his work.