Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Drain the Oceans Season 4 Episodes
Season 4 Episode Guide
10 Episodes 2021 - 2021
Episode 1
The Wild West
Mon, Aug 2, 202144 mins
Uncovered clues from a famous Montana battleground, a 19th-century steamboat and a frontier ghost town reveal surprising truths about the Wild West.
Episode 2
The Battle for the Black Swan
Mon, Aug 2, 202144 mins
Archaeologists and treasure hunters battle it out over half a billion dollars worth of gold and silver. Who will win the Battle for the Black Swan?
Episode 3
Arctic War
Mon, Aug 2, 202144 mins
From a long lost US base beneath the Arctic ice cap, to a sunken Soviet submarine, the Cold War's toxic legacy is both fascinating and terrifying.
Episode 4
Hollywood
Mon, Aug 9, 202144 mins
From a buried film set to a WW1 Navy ship and old fishing barge, we discover the role these ruins played in Hollywood movie-making history.
Episode 5
The First Americans
Mon, Aug 9, 202144 mins
Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.
Episode 6
Venice's Lost Empire
Mon, Aug 9, 202144 mins
A 14th-century galley entombed in mud, a 16th-century hoard of luxury cargo, and a gruesome discovery reveal the rise and fall of the Venetian Empire.
Episode 7
The Mississippi River
Mon, Aug 16, 202144 mins
From a steamboat in a cornfield to the true story behind Hurricane Katrina's floods, new discoveries reveal how the Mississippi river shaped America.
Episode 8
Hurricane Apocalypse
Mon, Aug 16, 202144 mins
Remnants of colonization attempts, a revolutionary refugee ship and submerged subway cars reveal hurricanes' impacts on America's past and its future.
Episode 9
The Great Barrier Reef
Mon, Aug 23, 202144 mins
The mysterious sinking of Australia's "Titanic", a warship on a dangerous mission, and a ROV expedition searching for clues at the bottom of the reef.
Episode 10
Sea of Secrets
Mon, Aug 23, 202144 mins
The Black Sea is a place of myth and legend and ships have sailed on its waters for millennia. Three wrecks unlock secrets of this mysterious sea.
