The Great Barrier Reef
Drain the Oceans - S4 - E7
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.
Drain the Oceans: Season 4 - 8 Episode s
4x1 - The Wild West
August 2, 2021
Uncovered clues from a famous Montana battleground, a 19th-century steamboat and a frontier ghost town reveal surprising truths about the Wild West.
4x2 - The Battle for the Black Swan
August 2, 2021
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?
4x3 - Hollywood
August 9, 2021
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.
4x4 - The First Americans
August 9, 2021
Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.
4x5 - Venice's Lost Empire
August 9, 2021
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.
4x6 - Hurricane Apocalypse
August 17, 2021
Remnants of colonization attempts, a revolutionary refugee ship and submerged subway cars reveal hurricanes' impacts on America's past and its future.
4x7 - The Great Barrier Reef
August 23, 2021
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.
4x8 - Sea of Secrets
August 23, 2021
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.Remnants of colonization attempts, a revolutionary refugee ship and submerged subway cars reveal hurricanes' impacts on America's past and its future.