Dr. Carruthers feels bitter at being betrayed by his employers, Heath and Morton, when they became rich as a result of a product he devised. He gains revenge by electrically enlarging bats and sending them out to kill his employers' family members by instilling in the bats a hatred for a particular perfume he has discovered, which he gets his victims to apply before going outdoors. Johnny Layton, a reporter, finally figures out Carruthers is the killer and, after putting the perfume on himself, douses it on Carruthers in the hopes it will get him to give himself away. One of the two is attacked as the giant bat makes one of its screaming, swooping power dives.

A giant alligator runs riot in a small town with a lake connected to a sewer/drainage system. Typical plot; nobody believes the sightings until lots of people have been killed.

An action film for the youth generation, set in a decaying future London. A gang set out on a chase to avenge the murder of one of their own.

Visionary scientist Janos Rukh convinces a group of scientists and supporters to mount an expedition to the African continent to locate and study an ancient meteorite of great significance. He exposes himself to the highly toxic radiation of the meteorite, and while an antidote devised by Dr. Benet saves him from death by radiation poisoning, his naked touch causes instant death to others. Back in London, the benefits of the meteorite's controlled radiation offer Dr. Benet an opportunity to restore eyesight to the blind. The antidote's toxicity excites Prof. Rukh into paranoid rages as he seeks revenge against the members of his expedition, who he accuses of stealing his discovery for their own glory.

Rob Estes plays a homicide detective investigating a series of strange multiple murders, assisted by an oddball FBI agent, played by Joely Fisher, who is also clairvoyant. The apparent perpetrator is a time travelling assassin, come all the way from the 15th century seeking to bring about Armageddon.

Dr. Ben Cahill, a fine city doctor, gets so stressed by marital problems and alcohol that he freezes up under pressure in the emergency room. To get his act back together, he decides to unwind a few months in the house he and his ex bought on Orr island, an insignificant (former) fishermen place off the coast of Maine. He almost immediately becomes the butt of spite from a gang of local nobodies. After the doctor started examining, at the request of the reasonable sheriff Hobbs who leans to his side, some animal and human corpses with strange internal as well as external injuries, one of the brutes, not so handy handyman Jack Wald, has a fatal nocturnal accident crashing into Dr. Cahill's car. The doc observes one of the red cockroaches which recently infest the island has pincers, most unusual, reads up and contacts the university entomology department, where this African species isn't too well-known either...

A cyborg escapes the facility where he was created. With the help of a local sheriff, he tries to run from the dangerous scientists that created him.

Darcy is a cop who is also a supehero named Black Scorpion at night who kicks and beats evildoers to a pulp. She soon catches wind of an asthmatic mad scientist who plans on tainting the city's air supply with a toxin. Only Darcy in her superhero garb can stop him with the assistance of a petty thief named Argyle and a really cool car.