Below, in the cold, dark waters off North Korea, the ultimate weapon of mass destruction has its sights on the U.S. fleet. Commander Burt Habley, who is operating a fast attack submarine, encounters the destructive, phantom sub that claims two of his crew. Court-martialed and suspended from further duty, Habley gets a second chance when a young, aspiring officer requests his involvement in a clandestine operation to tap an ocean communications cable....

A trouble-shooting 19th century seaman is trying to discover why so many whaling ships have been disappearing of late. Teaming with a scientist and a diver, they set sail to investigate. They are promptly captured by the megalomaniac Captain Nemo, who skippers a lavish, scientifically advanced submarine.

On board a nuclear submarine headed for Russia where radicals are threatening to start World War 3, Captain Ramsey and First officer Hunter clash over the validity of an unverified message to launch their missiles. With nuclear holocaust close at hand, mutiny erupts, pitting the entire crew against each other in a showdown that will decide the fate of the world.

A rogue submarine captain pulls together a misfit crew to go after a sunken treasure rumored to be lost in the depths of the Black Sea. As greed and desperation take control onboard their claustrophobic vessel, the increasing uncertainty of the mission causes the men to turn on each other to fight for their own survival.

A deep cover operative awakens to find himself imprisoned in a CIA black site on a submarine.

"Chris and Martin Kratt are brothers who explore the wild throughout the world to learn more about animals and share conservation information. They have three friends who travel in the Tortuga HQ with them named Aviva, Koki and Jimmy Z. The brothers have creature power suits that allow them to experience what it's like to be the animals they find. The team helps them by creating power suit creature disks for each animal they study. They also bring...

Rocket transports you to the breathtaking Arctic wilderness and then transforms into a submarine, leading you on a thrilling underwater quest. And there's more magic in store as you pat, clap, sing and dance your way to exciting adventures in faraway lands.

The fourth season of this classic groundbreaking series saw the beginning of one-hour episodes. This allowed for more elaborate and detailed stories which plunged viewers even further into the twilight zone.

The flagship of the World Aquanaut Security Patrol (W.A.S.P.), with the world₂s most highly sophisticated submarine, capable of speeds of over 600 knots and the ability to submerge anywhere on the Earth's ocean floor. Under the command of the square-jawed and heroic Captain Troy Tempest, the submarine explores the most treacherous depths of our waters and protects the world from the perils that lurk undersea.