Quick answer · Season 4

Expedition Files is an adventure and mystery series that aired on Discovery, running since 2024 with 4 seasons and 33 episodes. Expedition Files is still running; its most recent episode aired on July 29, 2026.

U.S. premiere: April 1, 2026
Where: Cable
Time: Varies by station
Episodes: 13
Finale: July 29, 2026

Where to watch Expedition Files season 4 in the U.S.

Where to watch Expedition Files season 4 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	April 1, 2026 – July 29, 2026	Original U.S. run on Discovery. [1]

Season 4 episode schedule

Expedition Files season 4 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Mysteries of American History	Wed, Apr 1, 2026 ^[1]	Check local listings national slot	Listed
2	Deadly Forecast	Wed, Apr 8, 2026 ^[1]	Check local listings national slot	Listed
3	Fateful Coverups	Wed, Apr 15, 2026 ^[1]	Check local listings national slot	Listed
4	Under Pressure	Wed, Apr 22, 2026 ^[1]	Check local listings national slot	Listed
5	Dark Waters	Wed, Apr 29, 2026 ^[1]	Check local listings national slot	Listed
6	Fact or Fiction?	Wed, May 6, 2026 ^[1]	Check local listings national slot	Listed
7	Truth Vs. Tabloids	Wed, May 13, 2026 ^[1]	Check local listings national slot	Listed
8	Who Done It?	Wed, May 20, 2026 ^[1]	Check local listings national slot	Listed
9	Larger Than Life	Wed, May 27, 2026 ^[1]	Check local listings national slot	Listed
10	You Don't Know Me	Wed, Jun 3, 2026 ^[1]	Check local listings national slot	Listed
11	The Supernatural	Wed, Jun 10, 2026 ^[1]	Check local listings national slot	Listed
12	Smoke and Mirrors	Wed, Jun 17, 2026 ^[1]	Check local listings national slot	Listed
13	Shark Secrets	Wed, Jul 29, 2026 ^[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 Files

Season 4: Season 4 of Expedition Files aired from April 1, 2026 to July 29, 2026 on Discovery (13 episodes).

Network / service: Discovery (first aired October 30, 2024)
Official site: go.discovery.com
Main cast over the series (TVmaze): Josh Gates (Josh Gates)

All seasons

Season 4

Season complete

Season 4 of Expedition Files aired from April 1, 2026 to July 29, 2026 on Discovery (13 episodes).

Cable

Season 3

Season complete

Season 3 of Expedition Files aired from November 5, 2025 to January 21, 2026 on Discovery (8 episodes).

Cable

Season 2

Season complete

Season 2 of Expedition Files aired from April 16, 2025 to May 21, 2025 on Discovery (6 episodes).

Cable

Season 1

Season complete

Season 1 of Expedition Files aired from October 30, 2024 to January 1, 2025 on Discovery (6 episodes).

Cable

Common questions

How many seasons of Expedition Files are there?

Expedition Files has 4 seasons and 33 episodes listed, with the first airing on October 30, 2024.

Is Expedition Files still on?

Expedition Files is still running; its most recent episode aired on July 29, 2026.

Where can I watch Expedition Files?

Expedition Files 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.