Drain the Oceans: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Drain the Oceans Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
The Wild West
Aug 2, 2021 · 47 min
Uncovered clues from a famous Montana battleground, a 19th-century steamboat and a frontier ghost town reveal surprising truths about the Wild West.
The Battle for the Black Swan
Aug 2, 2021 · 47 min
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?
Hollywood
Aug 9, 2021 · 47 min
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.
The First Americans
Aug 9, 2021 · 47 min
Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.
Venice's Lost Empire
Aug 9, 2021 · 47 min
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.
Hurricane Apocalypse
Aug 17, 2021 · 47 min
Remnants of colonization attempts, a revolutionary refugee ship and submerged subway cars reveal hurricanes' impacts on America's past and its future.
The Great Barrier Reef
Aug 23, 2021 · 47 min
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.
Sea of Secrets
Aug 23, 2021 · 47 min
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,