Christopher George

An eighteen-foot-tall grizzly bear terrorizes a state park, leaving Ranger Mike Kelly, photographer Allison Corwin, naturist Arthur Scott, and chopper pilot Don Stober to track down the beast. Meanwhile, the body count rises.

A man's best friend is killed on the streets of New York City. The man (Robert Ginty) then transforms into a violent killer, turning New York City into a great war zone, and Christopher George is the only one to stop him.

The co-eds of a Boston college campus are targeted by a mysterious killer who is creating a human jigsaw puzzle from their body parts.

A reporter and a psychic race to close the Gates of Hell after the suicide of a clergyman caused them to open, allowing the dead to rise from their graves.

In the small New England town of Dunwich, a priest commits suicide by hanging himself in the church cemetery which somehow opens the gates of hell allowing the dead to rise. Peter, a New York City reporter, teams up with a young psychic, named Mary, to travel to the town where they team up with another couple, psychiatrist Jerry and patient Sandra, to find a way to close the gates before All Saints Day or the dead all over the world will rise up and kill the living.

The depletion of the earth's ozone layer causes animals above the altitude of 5000 feet to run amok, which is very unfortunate for a group of hikers who get dropped off up there by helicopter just before the quarantine is announced.