An American scientist up to no good (as usual) by creating the half-pterodactyl, half-barracuda: Pteracuda. When the creature inevitably escapes, it's up to Sharktopus to stop him.
A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.
A group of friends on vacation in a seeming island paradise are stalked by an unrelenting great white after an accident leaves them stranded and left for dead.
A skeptical news reporter is invited by the CEO of Nexecon Petroleum to document the safety of Colossus, the largest drilling and refining platform ever constructed. As the powerful drill tears through the seabed, a fissure forms, revealing a hidden mirror ocean teeming with prehistoric life. When a team is sent to access the damage, it comes face to face with the most powerful oceanic predator that ever lived: Carcharodon Megalodon.
Alex, Marty, and other zoo animals find a way to escape from Madagascar when the penguins reassemble a wrecked airplane. The precariously repaired craft stays airborne just long enough to make it to the African continent. There the New Yorkers encounter members of their own species for the first time. Africa proves to be a wild place, but Alex and company wonder if it is better than their Central Park home.
Oscar is a small fish whose big aspirations often get him into trouble. Meanwhile, Lenny is a great white shark with a surprising secret that no sea creature would guess: He's a vegetarian. When a lie turns Oscar into an improbable hero and Lenny becomes an outcast, the two form an unlikely friendship.
A weekend cruise on a luxurious party yacht goes horribly wrong for a group of old high-school friends when they get stuck in the water many miles from shore and a happy reunion turns into a fight for survival.
The Dynamic Duo faces four super-villains who plan to hold the world for ransom with the help of a secret invention that instantly dehydrates people.
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.
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.
Ollie falls in love with a woman. When he discovers she's already married, he unsuccessfully attempts suicide but he and Stan then decide to join the Foreign Legion to get away from their troubles. When they’re arrested for soon trying to desert the Legion—they escape a firing squad by stealing an aircraft.