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.
When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled hunter embark on a desperate quest to destroy the beast before it strikes again.
Police chief Brody must protect the citizens of Amity after a second monstrous shark begins terrorizing the waters.
After another deadly shark attack, Ellen Brody decides she has had enough of New England's Amity Island and moves to the Caribbean to join her son, Michael, and his family. But a great white shark has followed her there, hungry for more lives.
Two divers are left out at sea without a boat. There’s nothing but water for miles, unless they look at what’s underneath them...
Three friends from California are filming an audition tape for an extreme reality game show. They document their journey to Australia where they will be doing their most dangerous activity.... Shark Cage Diving. A catastrophic turn of events leaves them in baited water full of Great White Sharks, turning their recording into a blood chilling diary of survival... and death.
A paleontologist, Dr. J Jones, accidentally unleashes a prehistoric Sharkasaurus, forcing her to team up with her mortal enemy; A creationist Rev. Matthews. Can they overcome their differences and defeat Sharkasaurus?
A snow avalanche awakens humungous, prehistoric sharks that proceed to chomp on bikini clad co-eds.
A prehistoric shark (named in the books "megalodon") lurks Mallorca, killing a couple of individuals. A professional diver begins the hunt.
Fin and his wife April travel around the world to save their young son who's trapped inside a sharknado.
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.