Season
- Season 0 2015-11-11
- Season 1 2015-01-08
- Season 2 2015-10-07
- Season 3 2016-11-02
- Season 4 2017-12-27
- Season 5 2018-05-29
- Season 6 2018-10-07
- Season 7 2019-04-07
- Season 8 2019-08-08
- Season 9 2020-02-05
- Season 10 2021-07-21
- Season 11 2022-05-25
- Season 12 2023-05-24
- Season 13 2023-11-15
- Season 14 2024-06-20
- Season 15 2024-10-09
- Season 16 2025-06-18
- Season 17 2025-11-05
Expedition Unknown - Season 8 Episode 10 Cracking the Secret
7.96 48 minutes Josh Gates is on a nation-wide treasure hunt to solve a mystery no one has cracked for 40 years: The Secret. Josh travels coast-to-coast and back in time using cutting edge augmented reality and tapping into a network of obsessed Secret detectives.
