C.H.U.D.

A disease carried by common cockroaches is killing Manhattan children. In an effort to stop the epidemic an entomologist, Susan Tyler, creates a mutant breed of insect that secretes a fluid to kill the roaches. This mutant breed was engineered to die after one generation, but three years later Susan finds out that the species has survived and evolved into a large, gruesome monster that can mimic human form.

A photographer's obsessive pursuit of dark subject matter leads him into the path of a serial killer who stalks late night commuters, ultimately butchering them in the most gruesome ways.

A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a cop and a big-game hunter.

A man who recently completed rebuilding a townhouse becomes obsessed with a rat infestation until it becomes an interspecies duel.

A New York City cop and an expert criminologist trying to solve a series of grisly deaths in which the victims have seemingly been maimed by feral animals discover a sinister connection between the crimes and an old legend.