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 2019-08-07
- Season 9 2020-02-04
- 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 15 Episode
Expedition Unknown - Season 7 Episode 6 Ghost Ship of the Great Lakes
8.00 48 minutes Josh Gates tackles an enduring maritime mystery, the first ship to be lost in the Great Lakes, the Griffon. Using a state of the art two-man submersible, Josh dives in to find a ship so elusive it's known as "The Holy Grail of Shipwrecks."
