S04 Episode 1

Plummer's Gold

Josh Gates heads to Montana, the gold rush territory, to search for the missing fortune of notorious Old West sheriff, Henry Plummer.

42 mins · Wed, 2 Nov 2016

S04 Episode 2

Vikings in America

Josh traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland; he aims to find out if the Vikings landed in the United States more than 500 years before any other Europeans.

1 h 0 mins · Wed, 3 Jan 2018

S04 Episode 3

The Vanished Empire

Josh travels to Greece to explore Europe's first superpower and how it disappeared on the Mediterranean island of Crete.

42 mins · Wed, 16 Nov 2016

S04 Episode 4

The Lost Colony of Roanoke

America's first missing-persons case, the Lost Colony of Roanoke, is investigated with newly discovered clues.

42 mins · Wed, 23 Nov 2016

S04 Episode 5

Cloning The Woolly Mammoth

Josh and a team search for enough DNA to clone one of the most iconic creatures of the Ice Age, the woolly mammoth.

42 mins · Wed, 28 Dec 2016

S04 Episode 6

Journey To The Ice Age

Josh retrieves bone samples from the massive Batagay crater and gets DNA results to find out if the woolly mammoth will walk the earth again.

42 mins · Wed, 4 Jan 2017

S04 Episode 7

Cracking the D.B. Cooper Case

Josh Gates sets off on an expedition to crack the mystery behind the perpetrator of the only unsolved plane hijacking in US history.

42 mins · Wed, 11 Jan 2017

S04 Episode 8

Lasseter's Gold

Josh Gates sets off deep into the Australian outback, following the footsteps of legendary explorer Harold Lasseter, who claims to have found a vast field of gold.

42 mins · Wed, 18 Jan 2017

S04 Episode 9

Tracking Tasmania's Tiger

Josh ventures to Australia's island state of Tasmania to investigate sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger. Evidence leaves Josh eager to find out the truth about this unusual looking animal.

41 mins · Wed, 25 Jan 2017

S04 Episode 10

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.

1 h 0 mins · Wed, 28 Feb 2018

S04 Episode 13

Captain Kidd's Treasure

Josh retraces the footsteps of Captain Kidd in the hope of finding his buried treasure. From the East Coast to the Caribbean, the search takes him to a real pirate shipwreck and to the island hideout of the notorious buccaneer.

41 mins · Wed, 22 Feb 2017

S04 Episode 14

Africa's Cursed Lake Of Gold

Josh Gates journeys to the wilds of Namibia to embark on a treacherously deep dive in Lake Otjikoto for a long-lost World War I treasure.

42 mins · Wed, 1 Mar 2017

S04 Episode 15

The Ark Of The Covenant

Josh Gates follows in the footsteps of Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.

42 mins · Wed, 8 Mar 2017

S04 Episode 16

England's Vanished Crown Jewels

Josh Gates goes on a quest to find the legendary lost treasure of King John. This includes an exploration of the deadly marshlands of England to find the despised king's crown jewels, which were swept away in a freak tidal surge in the 13th century.

42 mins · Wed, 15 Mar 2017

S04 Episode 17

Corsica's Nazi Treasure

Josh Gates hunts for the hidden treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent. Josh's search takes him to never-explored underground lakes and undersea relics of World War II.

41 mins · Wed, 22 Mar 2017

S04 Episode 18

Italy's Barbarian Booty

To find the plundered riches of the Roman Empire, Josh Gates must locate the tomb of the Visigoth king, Alaric, in Italy. The hunt extends from the capital of Rome to the southern city of Cosenza.

41 mins · Wed, 31 May 2017

S04 Episode 19

India's Atlantis

Josh travels to India searching for Dwarka, a mythical city swallowed by the ocean. To find evidence, he dives into the Arabian Sea, and visits a dig site that could rewrite history.

42 mins · Wed, 7 Jun 2017

S04 Episode 20

Lost Spanish Fortune, Found!

Josh explores Cuba and the coast of Florida in search of treasure lost in 1715 with the sinking of Spanish ships. He examines the previously sealed National Archives of Cuba and goes deep into the Atlantic.

42 mins · Wed, 14 Jun 2017

Season 4

Expedition Unknown

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Season 4 Episodes

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