The Great Alligator

A giant mutated alligator runs riot in a small town after the sewer system washes it into a lake.

When a group of tourists on a New Orleans haunted swamp tour find themselves stranded in the wilderness, their evening of fun and spooks turns into a horrific nightmare.

Geologists encounter a giant alligator while investigating an active volcano in Hawaii.

Professor Frankenstein creates a teenager from an accident victim, who gets angry when he learns he is going to be taken apart.

A meteor strikes a houseboat in the swamps near a southern town populated by Yankees with fake accents. The people on the houseboat become zombies who feed on the alligators in the swamp. Once they run out of alligators, they start going for the citizens. A local scientist tries to figure out what's happening to people once they start disappearing.