After a drug deal gone wrong, a group of punks flee to a secluded mansion where the house itself begins to terrorize and kill the trespassers.

An experimental submarine with a very experienced crew, the “Siren II” is sent to find out what happened to the “Siren I” after it mysteriously disappeared in a submarine rift….

People are dying mysteriously and gruesomely, and nobody has a clue what the cause is. Only health worker Mike Brady has a possible solution, but his theory of killer slugs…

A young European boy living in San Francisco is reluctant to marry his long-term girlfriend because he wants to travel around the world first. His wealthy uncle agrees to send…

A frustrated Boston detective searches for the maniac responsible for mutilating a number of university coeds.

Kronos, hero of a distant galaxy, tangles with mad scientist Gulik over the fate of mankind.

A 19th-century expedition to the Earth’s core reveals primordial wonders, prehistoric monsters and a subterranean civilization that may convey the greatest discovery of all.