A scientific expedition to Loch Ness runs into trouble when the group leader is killed in a mysterious diving accident. Soon after, when the unorthodox Professor Howell shows up to take over as leader of the group, more strange incidents and attacks start to occur. While Howell and TV producer Elizabeth Borden are busy investigating the source of the attacks, the body of an enormous sea creature washes up on the lake's shore.

A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearb...

A marine biologist, a dolphin trainer, a research scientist, and a local sheriff try to hunt down a ...

Little coastal town is being terrorized by deadly Barracudas.

A giant octopus, whose feeding habits have been affected by radiation from H-Bomb tests, rises from ...

A sleepy fishing port town is consumed with terror when a small crater crash-lands nearby and releas...

Four teenage girls go on a diving adventure to explore a submerged Mayan city. Once inside, their ru...

After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Nort...

Sensuous and desirable, Carol Forrest has always attracted the attention of men. Expert in the art o...

Camp counselors are stalked and murdered by an unknown assailant while trying to reopen a summer cam...

After chomping through the fish population, thousands of starved lampreys begin attacking the citize...

When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, t...

In this campy throwback to 1950s monster films, a vicious monster, the Riverbeast, has arisen from i...

On an isolated desert planet, a man who is looking for parts to repair his robotic companion teams u...

A decorated NYPD detective returns to her hometown after her sister is charged with the murder of he...

A humorous and satirical comedy, which places a man from the year 2222 one day in the (then) present...

Two psychotic young men take a mother, father, and son hostage in their vacation cabin and force the...

Tina Shepard, a telekinetic teenage girl, accidentally unchains Jason from his watery grave, allowin...

An American photographer has an affair with a mysterious woman (Yoshikawa), which leads him into a c...

When a man is eaten alive by an unknown creature, the local Game Warden teams up with a paleontologi...

The crew of an experimental underwater nuclear base are forced to struggle for their lives when thei...