Expedition Unknown Season 12 Episode release dates & where to watch

1. Sunken Pyramids of the Nile

Josh Gates travels to the deserts of Sudan to dive the flooded pyramid tomb of a king. The murky water provides zero visibility, and the pyramid is at risk of collapse -- but the dive could unlock the mystery of a civilization that once conquered Egypt.

2. Mystery of the Flooded Pyramid

The conclusion to Josh Gates' dive into a Kush king's flooded pyramid tomb; Josh scales a mountain to learn how the Kingdom of Kush conquered Egypt and braves the murky waters for one more dive to find the king's mummified remains.

3. Lost City of the Gospels

Josh travels to the Holy Land to find a lost city where Jesus performed many miracles and is also home to three apostles. While investigating competing sites that claim to be the lost city, Josh reveals an inscription that hasn't been seen in 1,400 years.

4. Treasure of the Pirate King

Risking life and limb, Josh finds treasure from the greatest score in pirate history. The most feared pirate of his time, Henry Avery stole a fortune worth more than $100 million today. Josh leaps into the frigid North Atlantic to recover Avery’s riches.

5. Great Lakes' Vanished Warships

Diving into Lake Superior, Josh has brand-new intel that may finally solve a 100-year-old mystery: the resting place of two WW1 minesweepers. On their way to combat German mines in the Atlantic, the warships sank and took the lives of 79 sailors.

6. Hunt for Spain's King Arthur

Plunging hundreds of feet below ground, Josh explores Spain's treacherous La Garma cave system and finds a floor littered with human remains more than 1,000 years old; Josh's deep dive is a quest for scientific proof of Spain's legendary King Pelayo.

7. Looted Treasures of Cambodia

Pushing into remote jungles, Josh investigates one of the 20th century's biggest heists - looting of Cambodian statues worth hundreds of millions; Josh rappels into a crumbling pyramid and digs up a treasure trove of missing monuments.

8. Cambodia's Stolen Monuments Finale

A clandestine meeting with a Cambodian looter puts Josh on the trail of multi-million-dollar stolen monuments; Josh dives into a murky moat, where he unearths a priceless lost statue and a missing piece of a national treasure.