A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn’t know is that the creature is real.

A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.

A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary…

A young sailor falls in love with a mysterious woman performing as a mermaid on the local pier. As they become entwined, he comes to suspect the woman might be…

Young babysitter Amanda arrives at the Lloyd residence to spend the evening looking after their young son. Soon after the Lloyds leave, a series of frightening occurrences in the gloomy…

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…

A group of experienced archeologists are searching for an old and mystic Phoenician treasure when they are surprised by a series of mysterious murders…

A demented elderly woman has her mentally incompetent son kill and scalp various young women to use their hair for her wig shop while a persistent co-ed tries to link…

Dr. John Markway recruits three strangers for a sleep-disorder study at the eerie and isolated Hill House. It soon becomes clear his real interest lies in the mansion itself and…

A young girl whose mother had sold her soul to Satan when she was born is told by Satan that she must marry a fellow demon.

Don Gallico is an inventor of stage magic effects who aspires to become a star in his own right. Just before his first performance his act is shut down by…

A psychotic killer gets in the good graces of his aging invalid employer, and worms his way into the affection of her beautiful daughter, with unpleasant results for all.