Name: Secrets Declassified with David Duchovny
Genre: Thriller, Mystery, History, Documentary
Cast: David Duchovny

Quick answer · Season 2

Secrets Declassified with David Duchovny is a thriller and mystery series that aired on History, running since 2025 with 2 seasons and 30 episodes. Secrets Declassified with David Duchovny is still running; its most recent episode aired on August 20, 2026.

U.S. premiere: March 17, 2026
Where: Cable
Time: Varies by station
Episodes: 20
Finale: August 20, 2026

Where to watch Secrets Declassified with David Duchovny season 2 in the U.S.

Where to watch Secrets Declassified with David Duchovny season 2 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	March 17, 2026 – August 20, 2026	Original U.S. run on History. [1]

Season 2 episode schedule

Secrets Declassified with David Duchovny season 2 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Escaping Armageddon	Tue, Mar 17, 2026 ^[1]	Check local listings national slot	Listed
2	Top Secret Sites	Tue, Mar 24, 2026 ^[1]	Check local listings national slot	Listed
3	Buried Secrets	Tue, Mar 31, 2026 ^[1]	Check local listings national slot	Listed
4	Black Ops	Tue, Apr 7, 2026 ^[1]	Check local listings national slot	Listed
5	Bizarre Weapons	Tue, Apr 14, 2026 ^[1]	Check local listings national slot	Listed
6	Cracking the Code	Tue, Apr 21, 2026 ^[1]	Check local listings national slot	Listed
7	Secret Units	Tue, Apr 28, 2026 ^[1]	Check local listings national slot	Listed
8	Extraordinary Experiments	Tue, May 5, 2026 ^[1]	Check local listings national slot	Listed
9	Smoke and Mirrors	Tue, May 12, 2026 ^[1]	Check local listings national slot	Listed
10	Extreme Extractions	Thu, Jun 11, 2026 ^[1]	Check local listings national slot	Listed
11	Masters of Deception	Thu, Jun 18, 2026 ^[1]	Check local listings national slot	Listed
12	Rogue Missions	Thu, Jun 25, 2026 ^[1]	Check local listings national slot	Listed
13	Covert Heists	Thu, Jul 2, 2026 ^[1]	Check local listings national slot	Listed
14	High Strangeness	Thu, Jul 9, 2026 ^[1]	Check local listings national slot	Listed
15	Dark Deals	Thu, Jul 16, 2026 ^[1]	Check local listings national slot	Listed
16	Hidden Bases	Thu, Jul 23, 2026 ^[1]	Check local listings national slot	Listed
17	Spy Gadgets	Thu, Jul 30, 2026 ^[1]	Check local listings national slot	Listed
18	Top Secret Tech	Thu, Aug 6, 2026 ^[1]	Check local listings national slot	Listed
19	Cat & Mouse	Thu, Aug 13, 2026 ^[1]	Check local listings national slot	Listed
20	Ingenious Disguises	Thu, Aug 20, 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 Secrets Declassified with David Duchovny

Season 2: Season 2 of Secrets Declassified with David Duchovny aired from March 17, 2026 to August 20, 2026 on History (20 episodes).

Network / service: History (first aired April 4, 2025)
Official site: history.com
Main cast over the series (TVmaze): David Duchovny (Host)

All seasons

Season 2

Season complete

Season 2 of Secrets Declassified with David Duchovny aired from March 17, 2026 to August 20, 2026 on History (20 episodes).

Cable

Season 1

Season complete

Season 1 of Secrets Declassified with David Duchovny aired from April 4, 2025 to June 6, 2025 on History (10 episodes).

Cable

Common questions

How many seasons of Secrets Declassified with David Duchovny are there?

Secrets Declassified with David Duchovny has 2 seasons and 30 episodes listed, with the first airing on April 4, 2025.

Is Secrets Declassified with David Duchovny still on?

Secrets Declassified with David Duchovny is still running; its most recent episode aired on August 20, 2026.

Where can I watch Secrets Declassified with David Duchovny?

Secrets Declassified with David Duchovny originally aired on History in the U.S. Streaming rights for older seasons change over time, so check History's own app and the major streaming services for the current home.