Seasons & Episodes
Sunken Cities
Lost civilizations, mysterious cities and legendary sites have all vanished. Can draining the seas help unlock what caus
Treasures of The Deep
For centuries treasure ships sailed the world hunted by pirates, battered by storms and reefs. Only now can we begin to
Sunken War Ships
Under the seas lives a lost graveyard of sunken war ships. Countless vessels from WWI and WWII pepper the seafloor waiti
Stormy Seas
Towering walls of water, powerful winds and churning seas can overwhelm any ship. But what secrets of the stormy seas ca
Sabotage On The High Seas
In warfare, saboteurs are a silent, unseen enemy with advanced weaponry and their element of surprise sending many ships
America's Sunken Shores
War, weather and human error have led to some of the worst maritime disasters history. Drained dry we now reveal the mys
Deep Water Disasters
The seafloor is the world’s biggest tsunami machine and its dangers have remained hidden from view, until now!
Undersea Empires
Beneath the waters of the world, lies undersea empires and relics of their bloody wars. Can today’s technology uncover
Sunken Weapons of War
An underwater look at the weapon that destroyed one of the Civil War's greatest ships, as well as the torpedo technology
America's Lost Treasures
Experts explore how the history of America is hidden beneath its harbours, shorelines and street.
Disasters at Sea
The team explores the watery graves of passenger ships and war machines as they investigate what led to such shocking ma