Marquette Productions Ltd.

In a little Western town, a boy is subjected to rays from a meteor. As a result, he grows into a teenaged, hairy, psychopathic killer. His mother hides him in her basement.

A malevolent alien brain, bent on world domination, takes over the body of an atomic scientist, while a 'good' alien brain inhabits the body of the scientist's dog and waits for an opportunity to defeat the evil brain.