The SS Armenian was sunk by a German U-boat in 1915, killing 29 crew members and 1,400 mules. Can divers track down the wreck after a century-long search?
In 1944, four Allied ships were mysteriously sunk off the south of England. Could the nearby wreck of a U-boat hold any clues? An underwater investigation reveals all.
Discover the ghostly remains of sunken ships beneath the waves. Divers explore the troopship SS Leopoldville. Almost 800 died when it was torpedoed in 1944.
Exhilarating expeditions to the seabed. Divers fathom how the World War I battleship HMS Audacious, thought to be unsinkable, capsized after a solitary blow.
Divers attempt to solve the mystery surrounding the fatal collision between the Queen Mary and HMS Curacoa during World War II. Tune in to hear what they find.
