Joan McCall

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.

After five mentally defective children survive a van accident in the snow, they make their way to a lodge where they start killing adults who offend them or are rude to them.

All hell breaks loose when a giant Grizzly, reacting to the slaughter of Grizzlies by poachers, attacks at a massive big-band rock concert in the National Park.

A group of women take a martial arts class to punish a sadistic serial rapist who wears a hockey mask.