The Devil Bat

A scientist finds a way of becoming invisible, but in doing so, he becomes murderously insane.

Scientist becomes obsessed with the idea of communicating with his dead wife.

Returning to the ancestral castle long after the death of the monster, the son of Dr. Frankenstein meets a mad shepherd who is hiding the comatose creature. To clear the family name, he revives the cr

A scientist captures the Creature and turns him into an air-breather, only for him to escape and start killing.

6 years after a time cop returns home from battling future alien zombies, his settled life is turned upside down when a mad scientists creates more.

Dr. Bernard Adrian is a kindly mad scientist who seeks to cure a young woman's polio. He needs spinal fluid from a human to complete the formula for his experimental serum.

A gigantic serpent is captured on a remote island and shipped to an American college for experimentation. A British millionaire and an American scientist must pursue the beast when it escapes and star

A mad scientist turns a man into an electrically-controlled monster to do his bidding.

An American journalist who is stationed in Japan is given a mysterious injection by a mad scientist, turning him into a murderous two-headed monster.

Three scientists unlawfully remove the still living brain of a dead tycoon and experiment with it but the evil brain begins to telepathically control the lead scientist.

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

Mary Shelley reveals the main characters of her novel survived: Baron Henry Frankenstein, goaded by an even madder scientist, builds his monster a mate.