Dr. Bill Cortner and his fiancée, Jan Compton, are driving to his lab when they get into a horrible car accident. Compton is decapitated. But Cortner is not fazed by this seemingly insurmountable hurdle. His expertise is in transplants, and he is excited to perform the first head transplant. Keeping Compton's head alive in his lab, Cortner plans the groundbreaking yet unorthodox surgery. First, however, he needs a body.

The world is shocked by the appearance of three talking chimpanzees, who arrived mysteriously in a spacecraft. Intrigued by their intelligence, humans use them for research - until the apes attempt to escape.

A man who has a body almost completely covered in tattoos is searching for the woman who cursed him with the "skin illustrations". Each tattoo reveals a bizarre story, which is experienced by staring at the scene depicted. When the illustrated man meets a fellow tramp on the road a strange voyage begins.

Duane and his basket-bound mutant brother are taken in by a secret home for wayward freaks.

Little coastal town is being terrorized by deadly Barracudas.

Col. Mike Kirby picks two teams of crack Green Berets for two missions in South Vietnam. The first is to strengthen a camp that is trying to be taken by the enemy. The second is to kidnap a North Vietnamese General.

Trying to shake his troubled past and start a new honest life, Floyd loses his job because of that past. With nowhere to go but back home in Oklahoma he gets news that his father's been murdered and the local sheriff lets the killer off with a self-defense plea. Bent on revenge, Floyd does what he must which leads him down a dark road littered with robbing banks and loose women. Floyd's final days are anything BUT pretty!

A grizzly bear who is wounded by three hunters in one year goes on a killing spree in the woods, taking revenge on humans as a whole. Jason and Chris Monroe, an estranged husband and wife, pursue the bear after it kills their only son, Buck.

An American submarine leaves Tierra Del Fuego, and one of its crew has secretly brought aboard a container full of poisonous snakes which escape storage and bite key personnel on the submarine, causing an accident that cripples the vehicle so that it drops to the bottom of the Southern Ocean. Worse still, the snakes are still at large on the submarine and complicate the efforts of the crew to escape the sunken vessel.