In this campy throwback to 1950s monster films, a vicious monster, the Riverbeast, has arisen from its watery lair to terrorize a peaceful New England town. Local tutor Neil Stuart has seen the beast before, but nobody believed his story, making him the town laughingstock. Neil sets out to not only prove that the Riverbeast exists, but also, with the help of his beautiful pupil, scrappy tutor buddies, and a former professional athlete, to vanquish the aquatic menace!
After chomping through the fish population, thousands of starved lampreys begin attacking the citizens of a sleepy lake town, and the community scrambles to stay alive.
In the quiet waters of the Mississippi, body parts are being discovered. No one knows what is behind it all, until a huge man eating bull shark turns up. This bull shark is different, as it can breath in fresh water, making a deadly encounter between anyone who comes before it. John Sanders must now try and reach the surface, with his ex-wife and whilst being held hostage.
A group of friends enjoying a weekend steal a couple of jetskis racing them out to sea, ending up in a horrific head-on collision. They struggle to find a way home with a badly injured friend while from the waters below predators lurk.
A TV talk-show hostess and her boyfriend investigate a shady magician whom has the ability to hypnotize and control the thoughts of people in order to stage gory on-stage illusions using his powers of mind bending.
An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.
A social worker who recently lost her husband investigates the strange Wadsworth family. The Wadsworths might not seem too unusual to hear about them at first - consisting of the mother, two grown daughters and the diaper-clad, bottle-sucking baby. The problem is, the baby is twenty-one years old.
After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.
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 the Mindanao Deep to terrorize the California Coast.
When another Mega Shark returns from the depths of the sea, world militaries go on high alert. Ocean traffic grinds to a standstill as everyone lives in fear of the insatiable beast. Out of options, the US government unleashes the top secret Mecha Shark project -- a mechanical shark built to have the same exact characteristics as Mega. A pair of scientists pilot the mechanical creature as they fight Mega in a pitched battle to save the planet. But when faulty mechanics cause the Mecha to go after humans, the scientists must somehow guide Mega to Mecha in hopes that the two titans will kill each other - or risk untold worldwide destruction.
In this post Vietnam War actioner, a group of veterans, former members of a crack guerrilla team, decide to reteam and use their specialized skills to fight organized crime.
Eight documentary makers decide to go to the location of Elsalam Ship which sunk years ago to make a new documntary where they face unforseen dangers.
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
A father is determined to rebuild his relationship with his daughter as they bond during a scuba diving in beautiful tropical waters while exploring a famous shipwreck. But soon after their descent, their master diver has an accident leaving them alone and unprotected inside the labyrinth of the wreck. As tensions rise and oxygen dwindles, the pair must use their newfound bond to escape the wreck and the relentless barrage of bloodthirsty great white sharks.
A young woman inherits an old hotel in Louisiana where, following a series of supernatural "accidents", she learns that the building was built over one of the entrances to Hell.
Inspired by an infamous online video clip of a son beating his mother, a television crew from Belgrade comes to a remote Serbian village to shoot a report on violence against women. Inquiring with the locals about the protagonists of the video, they encounter a local expert on supernatural phenomena and learn about a ritual of summoning an ancient demon, naprata. Wanting to capture the first authentic footage of something otherworldly, they change their plans. Excited by the prospective success of the recording, they defy the old saying that "it's better to believe than to be convinced."
Follows a group of five teens heading off to a cabin for a "romantic" weekend. They are hunted down by The Lashman for being unruly teens and disturbing his peace.
When two researchers discover a colossal shark's tooth off the Mexican coast their worst fears surface - the most menacing beast to ever rule the waters is still alive and mercilessly feeding on anything that crosses its path. Now they must hunt the fierce killer and destroy it... before there is no one left to stop it
The California coast is terrorized by two enormous prehistoric sea creatures as they battle each other for supremacy of the sea.