Megalodon Rising

When they take some friends on an extreme sport adventure, the last thing Jared and Sam expect to see below the shark-infested waters is a legendary pirate ship rumored to contain millions of dollars in gold. But their good fortune is short-lived, as a ruthless gang of criminals gets word of what they have uncovered.

Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.

A beautiful island is home to thousands of species of aquatic life. Now there is a new species: the 5-Headed Shark is all heads and teeth. Shaped like a demented starfish, this monster terrorizes the open ocean before invading the beaches of Puerto Rico, endangering the once peaceful island paradise.

The California coast is terrorized by two enormous prehistoric sea creatures as they battle each other for supremacy of the sea.

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

Johnny Knoxville sends Steve-O, Chris Pontius, and new Jackass cast members on a Shark Week mission for the ages. They'll dial up a series of shark stunts that test their bravery and threshold of pain as they put common shark myths to the test.

With all the evil, defeated sharks in Hell, their vengeance, fury and anger can be contained NO MORE! The scientists and engineers of Hell create Punk Shark! The embodiment of all their VENGEANCE! Made from the scraps of Hell, Punk Shark is unleashed on humanity! With the Secret Conch missing for some time, Agent John Agent can't locate the latest incarnations.

On a future earth where 98% of the surface is underwater, a Warlord who controls an army of sharks meets his match when he captures the daughter of a mysterious shark caller who must learn to marshal a supernatural ability if she is to free her people from the Warlord's dominion.

A gunrunner loses his cargo near a small coastal Sudanese town so he's stuck there. When a woman hires him to raid a sunken ship in the shark-infested waters, he sees a chance to compensate for his losses. He's not the only one.

A tropical singles retreat takes a terrifying turn when guests realize a poisonous shark is infesting the surrounding water. Not only will it rip apart its victims, but it also uses projectile acid to hunt - in and out of the water.

Russian and British submarines with nuclear missiles on board both vanish from sight without a trace. England and Russia both blame each other as James Bond tries to solve the riddle of the disappearing ships. But the KGB also has an agent on the case.

In October 1991, a confluence of weather conditions combined to form a killer storm in the North Atlantic. Caught in the storm was the sword-fishing boat Andrea Gail.

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 deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.

A Polynesian sailor is separated from his wife when he's unjustly imprisoned for defending himself against a colonial bully. Members of the community petition the governor for clemency but all pretense of law and order are soon shattered by an incoming tropical storm.

A Semester at Sea ship is attacked and sunk by a mutated two-headed shark, and the survivors seek refuge on a deserted atoll. The coeds, however, are no longer safe when the atoll starts flooding.

In a certain biological research institute in the Pacific, a breakthrough was made in the latest fish accelerated reproduction

When he began fusing human and shark DNA, his colleagues laughed at him. Now his creation is taking his revenge, and they aren't laughing anymore.

When marine wildlife has to adapt to the pollution surrounding it, the rules of survival change.

The sharks take bite out of the East Coast when the sharknado hits Washington, D.C. and Orlando, Florida.