old film astronaut punches a cactus plant and uses his infected hand to kill people , he turns in to a creature in the end

When astronaut Spencer Armacost returns to Earth after a mission that nearly cost him his life, he decides to take a desk job in order to see his beautiful wife, Jillian, more often. Gradually, Jillian notices that Spencer's personality seems to have changed, but her concerns fade when she discovers that she's pregnant. As Jillian grows closer to becoming a mother, her suspicions about Spencer return. Why does it seem as if he's a different person?

After an astronaut space capsule is detonated in orbit, with the astronaut begging to be killed, a teenager couple finds a severed arm on a remote beach. The boy takes the arm home, where it becomes animate and the alien force which animates it soon possesses his mind as well.

A scientist spills a new serum in his lab, accidentally inhales its fumes, and turns into a murderous monster who kills anyone he touches.

The countdown to terror has begun. Astronaut Eli Cologne became the first man on Mars, but something went horribly wrong. Infected by an alien organism, he returned to Earth a savage monster with an unquenchable thirst for human flesh.

For devilishly mad "astro-scientist" Dr. DeMarco (John Carradine), a typical day involves run-ins with reanimated corpses, bloodthirsty solar-powered killer robot zombies, Chinese communist spies and vicious Mexican secret agents. But when a bloody trail of young female murder victims leads an intrepid CIA agent to his door, things get really interesting. Ted V. Mikels directs this unique B horror-thriller.

An astronaut returns to Earth as the no-pulse host of an alien monster's embryos; he is discovered by a loony farmer who find ways to feed his new critter.

The Vegetable Monster survived the shot fired at the end of Part 1. Wounded, he is saved by a shy veterinarian who is abused by the rude colonists of southern Brazil, and who will use the alien plant creature as an instrument of revenge.

To carry on his important work the ego-maniacal scientist Dr Kelly must obtain another hand… a hand which begins to take on a life of its own.

A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.

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.