Drain the Oceans
Season 1, Episode 9: Ultimate Battleships
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The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea.
All Episodes - Season 1
Episode 1
Nazi Secrets
Episode 2
Gulf of Mexico
Episode 3
Lost Worlds of the Mediterranean
Episode 4
Sunken Treasures
Episode 5
Legends of Atlantis
Episode 6
Deadly Pacific
Episode 7
Egypt's Lost Wonders
Episode 8
Mysteries of the China Seas
Episode 9
Ultimate Battleships
Episode 10
Malaysia Airlines 370