Expedition Unknown Season 4 Episode 4
The Secret
Josh travels across the United States to find the treasures featured in the cryptic 1982 book "The Secret"; Josh meets with members of the book's cult following, who each think they are on the verge of locating one of the 10 remaining treasures.
4 - 10Secrets of Brother XIIFeb. 28, 2018- 4 - 9Global Game Show: Out of This WorldFeb. 21, 2018
- 4 - 8Egypt's Lost QueensFeb. 14, 2018
- 4 - 7Great Women of Ancient EgyptFeb. 07, 2018
- 4 - 6Hunt for the Metal LibraryJan. 31, 2018
- 4 - 5Butch Cassidy's Lost LootJan. 24, 2018
- 4 - 4The SecretJan. 17, 2018
- 4 - 3Origins of StonehengeJan. 10, 2018
- 4 - 2Vikings in AmericaJan. 03, 2018
- 4 - 1Viking SecretsDec. 27, 2017
