Expedition Unknown · SEASON 18
Sunken City of Pirates
Episode 4 · 2026-07-15

- Documentary
- Reality
- Action & Adventure
Episode overview
A first-of-its-kind sonar survey reveals a submerged pirate lair located off the coast of Jamaica. Using groundbreaking photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates.
42 minutes