Cole Hillman's Arizona ranch is plagued with 'mongrel' rabbits, and he wants to employ an ecologically sound control method. As a favor to college benefactor Hillman, college president Elgin Clark calls in zoologist Roy Bennett to help. Bennett immediately begins injecting rabbits with hormones and genetically mutated blood in an effort to develop a method of disrupting rabbit reproduction. One of the test subjects escapes, resulting in a race of bloodthirsty, wolf-sized, man-, horse-, and cow-eating bunnies. Eventually the National Guard is called in for a final showdown with the terrorizing rabbits.

When a melting iceberg releases a prehistoric giant praying mantis, a paleontologist works with the military to kill it after it attacks scientific outposts on its way to Washington and New York.

After recovering from injuries sustained in the mob attack upon himself and his creation, Dr. Frankenstein (Colin Clive) falls under the control of his former mentor, Dr. Pretorius (Ernest Thesiger), who insists the now-chastened doctor resume his experiments in creating new life.

Svengoolie presents 'The Brides of Dracula'. Vampire hunter Van Helsing returns to Transylvania to destroy handsome bloodsucker Baron Meinster, who has designs on beautiful young schoolteacher Marianne.

An ex-Nazi mad scientist uses radio-controlled atomic-powered zombies in his quest to help an exiled American gangster return to power.

As a result of an arctic nuclear test, a carnivorous dinosaur thaws out and starts making its way down the east coast of North America. Professor Tom Nesbitt, only witness to the beast's existence, is not believed, even when he identifies it as a "rhedosaurus" to paleontologist Thurgood Elson. All doubts disappear, however, when Elson is swallowed whole during an oceanic bathysphere excursion to search for the creature. Soon thereafter the rhedosaurus emerges from the sea and lays waste to Manhattan Island until Nesbitt comes up with a plan to try to stop the seemingly indestructible beast.

When an errant bomb unearths the coffin of a vampire during the London Blitz, a gravedigger unknowingly reanimates the monster by removing the stake from his heart