Mystery · Nature · Documentary

Mysteries of the Deep: all seasons, episodes and where to watch

Discovery mystery and nature series (2020–present), 2 seasons.

Season complete Cable Listings updated October 7, 2026 Listings

Quick answer · Season 2

Mysteries of the Deep is a mystery and nature series that aired on Discovery, running since 2020 with 2 seasons and 18 episodes. Mysteries of the Deep hasn't been officially ended, but no new episodes are listed yet; the most recent aired on October 5, 2022.

U.S. premiere: August 10, 2022
Where: Cable
Time: Varies by station
Episodes: 8
Finale: October 5, 2022

Where to watch Mysteries of the Deep season 2 in the U.S.

Where to watch Mysteries of the Deep season 2 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	August 10, 2022 – October 5, 2022	Original U.K. run on Discovery. [1]

Season 2 episode schedule

Mysteries of the Deep season 2 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Shipwreck of Nazi Treasure	Wed, Aug 10, 2022 ^[1]	Check local listings national slot	Listed
2	Mystery of the Ancient Battle	Wed, Aug 17, 2022 ^[1]	Check local listings national slot	Listed
3	Shipwreck Ghosts of Mexico	Wed, Aug 24, 2022 ^[1]	Check local listings national slot	Listed
4	Secrets of the MS Estonia	Wed, Sep 7, 2022 ^[1]	Check local listings national slot	Listed
5	Titanic Phenomenon	Wed, Sep 14, 2022 ^[1]	Check local listings national slot	Listed
6	Debris of Amelia Earhart	Wed, Sep 21, 2022 ^[1]	Check local listings national slot	Listed
7	Mystery of the Sub Destroyer	Wed, Sep 28, 2022 ^[1]	Check local listings national slot	Listed
8	Secrets of Russia's Sub	Wed, Oct 5, 2022 ^[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 Mysteries of the Deep

Season 2: Season 2 of Mysteries of the Deep aired from August 10, 2022 to October 5, 2022 on Discovery (8 episodes).

Network / service: Discovery (first aired May 21, 2020)
Official site: discoveryuk.com
Main cast over the series (TVmaze): Jeremy Wade (Host)

All seasons

Season 2

Season complete

Season 2 of Mysteries of the Deep aired from August 10, 2022 to October 5, 2022 on Discovery (8 episodes).

Cable

Season 1

Season complete

Season 1 of Mysteries of the Deep aired from May 21, 2020 to July 23, 2020 on Discovery (10 episodes).

Cable

Common questions

How many seasons of Mysteries of the Deep are there?

Mysteries of the Deep has 2 seasons and 18 episodes listed, with the first airing on May 21, 2020.

Is Mysteries of the Deep still on?

Mysteries of the Deep hasn't been officially ended, but no new episodes are listed yet; the most recent aired on October 5, 2022.

Where can I watch Mysteries of the Deep?

Mysteries of the Deep 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.