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Expedition Unknown Episodes
- Season 10.0
- Season 7.5
- Season 7.4
- Season 7.3
- Season 7.2
- Season 7.1
- Season 7.0
- Season 6.9
- Season 6.8
- Season 6.7
- Season 6.6
- Season 6.5
- Season 6.4
- Season 6.3
- Season 6.2
- Season 6.1
- Season 6.0
- Season 5.5
- Season 5.4
- Season 5.3
- Season 5.2
- Season 5.1
- Season 5.0
- Season 4.3
- Season 4.2
- Season 4.1
- Season 4.0
- Season 3.1
- Season 3.0
- Season 2.0
- Season 1.2
- Season 1.1
- Season 1.0
- Season 0.0
Season 4, Episode 1
The Secret
Josh travels all over the US to find the treasures featured in The Secret, a cryptic book published in the 1980s. He meets with members of the book's cult following, who each think they're on the verge of finding one of the 10 remaining treasures.
Season 4, Episode 2
Origins of Stonehenge
Josh travels to his ancestral home of Great Britain to explore the origins of Stonehenge. From high in the air to deep under the sea, he finds an unexpected network of monuments that could have inspired one of history's most mystical locations.
Season 4, Episode 3
Pyramid of Legends
Josh ventures into the ancient Maya city of El Mirador in search of the lost tombs of a mysterious ruling dynasty called the Snake Kings.
Season 4, Episode 4
Butch Cassidy's Lost Loot
Josh immerses himself in Wild West lore on a quest to find Butch Cassidy's missing money. He traces the iconic outlaw's footsteps through Colorado, Utah and Nevada, eventually learning that he may need to find the man himself to locate the lost loot.
Season 4, Episode 5
Viking Secrets
Josh investigates how a group of Norse tribesman gained power in medieval Europe. His search for answers begins in their one-time home base of Denmark and continues on to the first place they expanded off the continent, the remote island of Iceland.
Season 4, Episode 6
Vikings in America
Josh traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland and into North America. He aims to find out if they landed in the United States over 500 years before any other Europeans.
Season 4, Episode 7
Hunt for the Metal Library
Josh travels through the jungles of Ecuador to explore the watery depths of Tayos Cave for a legendary set of metal plates believed to be created by an advanced ancient civilization.
Season 4, Episode 8
Nazis in Argentina
Josh ventures to Argentina, where many Nazi SS officers escaped to after World War II. He uncovers secret Nazi hideouts and investigates what may be the most shocking conspiracy theory of all -- Adolf Hitler's "true" fate.
Season 4, Episode 9
Secrets of Brother XII
Josh Gates attempts to uncover a treasure left behind by the Aquarian Foundation, an isolated, insidious cult led by the notorious leader known as Brother XII.
Season 4, Episode 10
Great Women of Ancient Egypt
In this first installment of an epic two-part episode, Josh journeys through the land of the Nile to uncover the secrets of the most powerful, and most elusive, women in ancient Egypt -- Hatshepsut, Nefertiti and Cleopatra.
Season 4, Episode 11
Egypt's Lost Queens
In the second installment of an epic two-part investigation, Josh continues his journey through Egypt to uncover the secrets, and possibly the final resting place, of ancient history's most powerful women rulers -- Nefertiti and Cleopatra.
Season 4, Episode 12
Mahogany Ship
Josh goes down under to search along Australia's infamous Shipwreck Coast for the missing Mahogany Ship. Confirming the vessel's existence could rewrite Australia's history.
Season 4, Episode 13
Lost City of El Mirador
Josh concludes his investigation into the mysterious Maya city of El Mirador, from the possible burial of the elusive Snake Kings to uncovering the secrets behind the fall of one of history's greatest ancient cities.
Season 4, Episode 14
Hunt for the Ruby Slippers
Josh investigates the theft of one of the most iconic pieces of Hollywood memorabilia of all time -- the ruby slippers worn by Judy Garland in the 1939 classic movie, The Wizard of Oz.
Season 4, Episode 15
Lost Gold of Jean Lafitte
Josh ventures to the American south to uncover the mystery of real-life buccaneer Jean Laffite and the location of his hidden treasure.