Drain the Oceans

Drain the Oceans

The Battle for the Black Swan (4x2)


Air date: Aug 02, 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?

  • Premiered: May 2018
  • Episodes: 68
  • Followers: 20
  • Running
  • National Geographic
  • Monday at 21