Ovidio G. Assonitis

A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.

The two American Ninjas, Joe Armstrong and Sean Davidson, team up to do battle against a terrorist and his band of Ninjas.

An ancient intergalactic warrior arrives on Earth to put a stop to a demonic child's plot to reproduce Satan's next generation of evil.

Jessica Barrett, wife and mother of two young children, begins to show signs of demonic possession while pregnant with her third child. As she seeks help from her husband and doctor, a mysterious man approaches her and seems to have some answers.

Pilgrim Corporation has leased Choke Canyon to research physicist David Lowell for 99 years. Lowell has built an impressive research laboratory there. When Pilgrim suddenly needs Choke Canyon for toxic waste storage, they resort to violence to force out the renitent Lowell. However, Pilgrim Corportation vastly underestimates Lowell, who is a tenacious, principled, and ingenious man.

When a scientists daughter is kidnapped, American Ninja, attempts to find her, but this time he teams up with a youngster he has trained in the ways of the ninja.

At an institute in Manila, researchers and eco-tourists trade stories about the Mara tribe, who live on a remote island and have an annual festival of rebirth in which some of the tribe forget who they are and begin again. Laure is the daughter of the institute's director; she's a free spirit who has captured the fancy of Nicola, a European photographer. After a courtship in which the voyeuristic Nick indulges Laure's exhibitionism and sexual freedom, they set off for Mara land with Gualtier, an anthropologist, and his philosophical lover, Myrte. As they approach the Mara on the night of rebirth, who of the group will actually join the tribe to begin life anew?

Several people disappear from and at the sea. Their bodies are found gnawed to the skeleton, even the marrow is missing. The scientists have no idea which animal could do such things. Dr. Turner begins to suspect that the company which builds a tunnel beneath the bay might have poisoned the environment and caused an octopus to mutate to giant dimensions...