Elliot, a successful gynecologist, works at the same practice as his identical twin, Beverly. Elliot is attracted to many of his patients and has affairs with them. When he inevitably loses interest, he will give the woman over to Beverly, the meeker of the two, without the woman knowing the difference. Beverly falls hard for one of th...

The residents of a suburban high-rise apartment building are being infected by a strain of parasites that turn them into mindless, sex-crazed fiends out to infect others by the slightest sexual contact.

A man tries to uncover an unconventional psychologist's therapy techniques on his institutionalized wife, while a series of brutal attacks committed by a brood of mutant children coincides with the husband's investigation.

After undergoing radical surgery for injuries from a motorcycle accident, a young woman develops a strange phallic growth on her body and a thirst for human blood—the only nourishment that will now sustain her.

After the mayor uses a potentially dangerous substance to protect the local plantation, the lakeside town of Mountview, in California, is attacked by a lethal species of large cockroach. After some of the town's inhabitants are killed, the mayor enlists the help of eccentric pest exterminator General George S. Merlin in order to preven...