8.5

Expedition Unknown•Season 4•Episode 4

The Secret

8.5/10 · 102 votesJan 17, 201860 min

Ranked #1 of 10 in Season 4•+0.9 vs season avg

Discussion

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.

Previous episodeE3 · Origins of Stonehenge Next episodeE5 · Butch Cassidy's Lost Loot

Seasons18

All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Season 4 Episodes10

E1 7.8

Viking Secrets

E2 7.8

Vikings in America

E3 7.4

Origins of Stonehenge

E4 8.5Now viewing

The Secret

E5 7.2

Butch Cassidy's Lost Loot

E6 7.7

Hunt for the Metal Library

E7 8.2

Great Women of Ancient Egypt

E8 8.4

Egypt's Lost Queens

E9 6.0

Global Game Show: Out of This World

E10 7.3

Secrets of Brother XII

Cast1

Josh Gates

Self - Host

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Episode Summary

"The Secret" is episode 4 of Expedition Unknown season 4. It scored 8.5/10 from 102 votes, ranking #1 of 10 episodes this season (season average 7.6). It aired on January 17, 2018.

Next: E5 · Butch Cassidy's Lost Loot Best of Season 4