2015

S4.E1 ∙ Viking Secrets

Tue, Dec 26, 2017

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.

7.8 /10

S4.E2 ∙ Vikings in America

Tue, Jan 02, 2018

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.

7.8 /10

S4.E3 ∙ Origins of Stonehenge

Tue, Jan 09, 2018

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.

7.4 /10

S4.E4 ∙ The Secret

Tue, Jan 16, 2018

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.

8.5 /10

S4.E5 ∙ Butch Cassidy's Lost Loot

Tue, Jan 23, 2018

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.

7.1 /10

S4.E6 ∙ Hunt for the Metal Library

Tue, Jan 30, 2018

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.

7.7 /10

S4.E7 ∙ Great Women of Ancient Egypt

Tue, Feb 06, 2018

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.

8.1 /10

S4.E8 ∙ Egypt's Lost Queens

Tue, Feb 13, 2018

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.

8.5 /10

S4.E9 ∙ Global Game Show: Out of This World

Tue, Feb 20, 2018

Josh Gates' Global Game Show goes all over the planet but this time he's going out of this world by giving his contestants the opportunity to win big on the topic of extraterrestrials. Players at home can win a big prize too, plus a bonus look at footage that never aired in the original Expedition Unknown episodes.

6.2 /10

S4.E10 ∙ Secrets of Brother XII

Tue, Feb 27, 2018

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.

7.4 /10

S4.E11 ∙ Global Game Show: Sunken Mysteries

Tue, May 29, 2018

From submerged treasures to lost civilizations, Josh Gates quizzes his contestants on sunken mysteries from all over the world.

6.8 /10

S4.E12 ∙ Global Game Show: Secrets of War

Tue, Jun 05, 2018

Josh Gates goes on a globe-trotting quest to test people's knowledge on the Nazis and their secrets for a chance to win a huge cash prize.

7.1 /10

S4.E13 ∙ Mysteries of the Vikings

Tue, Jun 12, 2018

Josh Gates sets out on a globe-trotting investigation to find out how the Vikings became so powerful. He also explores the possibility that these fearsome warriors sailed to the United States over 500 years before any other European.

8 /10

S4.E14 ∙ Beyond the Limit

Tue, Jun 19, 2018

Josh Gates shares hilarious bonus moments from his Season 4 adventures.

7.4 /10

S4.E15 ∙ Global Game Show: Curses!

Tue, Jun 26, 2018

Josh Gates seeks out contestants to test their knowledge of unlucky adventurers who fell victims to brutal curses. The contestants could win big cash or tempt fate and go home with nothing at all in this round of Global Game Show.

6.9 /10