A small band of survivors unwillingly add a new member to their quickly dwindling population, with disastrous results.

The Cosmic Space Ninja has been damned to a thousand years of forced labor on the surface of the dismal planet of Chernobourg. His captor is the maniacal Birsk, who schemes to enslave the entire universe. The Cosmic Space Ninja is quick to escape and flee to the countryside, where he must rely on his wits to survive bands of warring barbarians as well as Birsk's pursuing evil minions. All the while, he must construct some sort of plan with which to escape from the planet.

A rural Arkansas town is besieged by extraterrestrial giant worms who reanimate dead bodies. A group of various individuals barricade themselves inside an old hotel while zombies and worms attack from all sides. Eventually the military is called in to quell the situation.

A small group of soldiers on a remote dew-line outpost in northern Canada discover that scientific experiments conducted there have created a horrible monster that has been terrorizing the base.