After a woman dives into a shallow river, she surfaces only to have no memory of where she is, how she got there, and how she will get home.

Digging at a nearby cave, a careless industrialist unearths a vein of pure base Lithium and inadvertently brings it to the surface, where the Lithium combusts when coming into contact with water and begins to wreak havoc on the country side.

Infamous disappearances of ships and aircrafts, stories of lives lost — they’re all part of the legend of the 500,000-square-mile expanse of the Atlantic Ocean known as the Bermuda Triangle. In this one-hour special, National Geographic Channel explores the area’s ominous reputation by draining the water from it to see what exactly lies below the surface of the mythical triangle. With the aid of data from sophisticated sonar surveys, see what the ocean floor looks like below the Bermuda Triangle. Witness what strange geological features will be revealed and whether they will shed light on the mysterious occurrences that have been documented within the boundaries of this area of ocean.

As London is submerged below floodwaters, a woman gives birth to her first child. Days later, she and her baby are forced to leave their home in search of safety. They head north through a newly dangerous country seeking refuge from place to place.

On October 9th, 1963, at 10:39 pm, 260 million cubic meters of rock fell down from Mount Toc to the artificial lake formed by the Vajont dam, the higher dam in the world. The landslide formed a 250-meters wave and 50 million cubic meters of water completely destroied all the below towns, killing more than 2000 people. Planned by engineer Semenza, Vajont dam (263 meters) had to carry the electricity in all the houses of the country. Tina Merlin, a journalist from ‘L’Unitá’, tried for years to denounce the danger to build a dam near the Mount Toc and expecially to denounce all the omissions by the corrupted politicians and workers in charge of the dam construction. They preferred to trust in old geologist Dal Piaz instead to hear engineer Semenza young son’s alarming analysis. No one seemed to understand the high danger until that October fatal night.

Join Barbie “Brooklyn” Roberts, Barbie “Malibu” Roberts, and her sisters Skipper, Stacie, and Chelsea on an underwater adventure as they transform into mermaids to help save the world of Pacifica! In Barbie Mermaid Power™, Barbie and Barbie are summoned by Isla (from Dolphin Magic) to compete to be the underwater Power Keeper in a series of challenges designed to find their inner powers. Through these competitions, they discover whether they are mermaids of Earth, Air, Water, or Fire, all while making new animal and mermaid friends. In this fish-tale of friendship, adventure, and bravery, Barbie, Barbie, and family experience first-hand what it’s like to balance the worlds above and below the sea and learn a lesson in finding their inner powers along the way.

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.

Luca and his best friend Alberto experience an unforgettable summer on the Italian Riviera. But all the fun is threatened by a deeply-held secret: they are sea monsters from another world just below the water’s surface.

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.

In the distant future, Jack Deadman and his military team are the final hope to save our dying earth from its hellish apocalypse. The mission is to enter the underground world of Labyrinthia and retrieve the water stolen by the savage inhabitants below… 10 years later, the mission has failed, and Jack Deadman exists in isolation, trapped and buried deep within Labyrinthia. A lone wolf anti-hero, changed by failure and guilt. But when the opportunity to escape arises once again, Jack will begin a quest for vengeance and redemption in one last attempt to escape from Labyrinthia.

Jackson Slate, famous treasure hunter, is out to find the legendary Lost Gold Of Cortez in the open waters off a secluded island in the Caribbean Sea. Using dynamite to blast his way through centuries of silt, new chasms are created reaching miles below the ancient ocean floor. From here, an ancient evil is released, that quickly, savagely, and without warning, destroys Jackson s boat and kills his crew. The sole survivor of the carnage, Jackson teams up with marine biologist, Sarah, to venture back to the site and investigate the horrific events. They extract an egg from the darkest depths of the ocean and take it back to the lab to investigate. But when it hatches, they realise they have awaken a deadly prehistoric monster, the P-Rex, which will stop at nothing until the entire island is destroyed…

When a fracking mishap accidentally rips apart the earth’s crust, the resulting hole opens up a gaping underground water way to a vast and mysterious ocean somewhere deep below. Instantly, giant prehistoric sharks begin wending their way upward toward a murky bog in the heart of the Arkansas Bayou. Unfortunately, for a group of female prisoners on a work detail in the swamp, the deadly sharks attack without warning – pinning a hapless group of intended victims in a small deserted cabin in the heart of the wetlands. Death may be the only means of escape!