Quick answer · Season 17
Expedition Unknown is an adventure and mystery series that aired on Discovery, running since 2015 with 17 seasons and 161 episodes. Expedition Unknown is still running; its most recent episode aired on August 12, 2026.
- U.S. premiere
- June 24, 2026
- Where
- Cable
- Time
- Varies by station
- Episodes
- 7
- Finale
- August 12, 2026
Where to watch Expedition Unknown season 17 in the U.S.
Season 17 episode schedule
| Ep. | Title | U.S. date | Time | Status |
|---|---|---|---|---|
| 1 | Hunt for WWII Hellships | [1] | Check local listings national slot | Listed |
| 2 | Finding WWII's Lost Prisoners | [1] | Check local listings national slot | Listed |
| 3 | Death Jars of Laos | [1] | Check local listings national slot | Listed |
| 4 | Sunken City of Pirates | [1] | Check local listings national slot | Listed |
| 5 | Secrets of Mexico's Underworld | [1] | Check local listings national slot | Listed |
| 6 | Inca Treasure Tunnels | [1] | Check local listings national slot | Listed |
| 7 | Chasing Civil War Gold | [1] | Check local listings national slot | Listed |
Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.
About Expedition Unknown
Expedition Unknown is an adventure and mystery series that aired on Discovery, running since 2015 with 17 seasons and 161 episodes. Expedition Unknown is still running; its most recent episode aired on August 12, 2026.
Season 17: Season 17 of Expedition Unknown aired from June 24, 2026 to August 12, 2026 on Discovery (7 episodes).
- Network / service: Discovery (first aired January 8, 2015)
- Official site: discovery.com
- Main cast over the series (TVmaze): Josh Gates (Host)
All seasons
Season 17
Season completeSeason 17 of Expedition Unknown aired from June 24, 2026 to August 12, 2026 on Discovery (7 episodes).
Season 16
Season completeSeason 16 of Expedition Unknown aired from November 5, 2025 to December 10, 2025 on Discovery (6 episodes).
Season 15
Season completeSeason 15 of Expedition Unknown aired from June 18, 2025 to August 6, 2025 on Discovery (7 episodes).
Season 14
Season completeSeason 14 of Expedition Unknown aired from October 9, 2024 to November 20, 2024 on Discovery (6 episodes).
Season 13
Season completeSeason 13 of Expedition Unknown aired from June 19, 2024 to July 31, 2024 on Discovery (6 episodes).
Season 12
Season completeSeason 12 of Expedition Unknown aired from November 15, 2023 to January 3, 2024 on Discovery (8 episodes).
Season 11
Season completeSeason 11 of Expedition Unknown aired from May 24, 2023 to July 12, 2023 on Discovery (8 episodes).
Season 10
Season completeSeason 10 of Expedition Unknown aired from May 25, 2022 to August 31, 2022 on Discovery (14 episodes).
Season 9
Season completeSeason 9 of Expedition Unknown aired from July 21, 2021 to August 25, 2021 on Discovery (6 episodes).
Season 8
Season completeSeason 8 of Expedition Unknown aired from February 5, 2020 to March 25, 2020 on Discovery (8 episodes).
Season 7
Season completeSeason 7 of Expedition Unknown aired from August 7, 2019 to October 30, 2019 on Discovery (12 episodes).
Season 6
Season completeSeason 6 of Expedition Unknown aired from April 10, 2019 to May 29, 2019 on Discovery (8 episodes).
Season 5
Season completeSeason 5 of Expedition Unknown aired from May 29, 2018 to September 5, 2018 on Discovery (7 episodes).
Season 4
Season completeSeason 4 of Expedition Unknown aired from December 27, 2017 to February 28, 2018 on Discovery (9 episodes).
Season 3
Season completeSeason 3 of Expedition Unknown aired from November 2, 2016 to June 14, 2017 on Discovery (17 episodes).
Season 2
Season completeSeason 2 of Expedition Unknown aired from October 7, 2015 to June 22, 2016 on Discovery (20 episodes).
Season 1
Season completeSeason 1 of Expedition Unknown aired from January 8, 2015 to April 2, 2015 on Discovery (12 episodes).
Common questions
How many seasons of Expedition Unknown are there?
Expedition Unknown has 17 seasons and 161 episodes listed, with the first airing on January 8, 2015.
Is Expedition Unknown still on?
Expedition Unknown is still running; its most recent episode aired on August 12, 2026.
Where can I watch Expedition Unknown?
Expedition Unknown originally aired on Discovery in the U.S. Streaming rights for older seasons change over time, so check Discovery's own app and the major streaming services for the current home.
Sources
We check each date against the sources below. If they disagree, we say so rather than picking one.
Update history
- Season and episode data imported from TVmaze.
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