War · History · Documentary

Hell Below: all seasons, episodes and where to watch

National Geographic war and history series (2016–present), 4 seasons.

Season complete Cable Listings updated October 7, 2026 Listings

Quick answer · Season 4

Hell Below is a war and history series that aired on National Geographic, running since 2016 with 4 seasons and 24 episodes. No new season of Hell Below has been confirmed yet; its most recent episode aired on September 23, 2024.

U.S. premiere: August 19, 2024
Where: Cable
Time: Varies by station
Episodes: 6
Finale: September 23, 2024

Where to watch Hell Below season 4 in the U.S.

Where to watch Hell Below season 4 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	August 19, 2024 – September 23, 2024	Original U.K. run on National Geographic. [1]

Season 4 episode schedule

Hell Below season 4 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Edge of Survival	Mon, Aug 19, 2024 ^[1]	Check local listings national slot	Listed
2	Subversion	Mon, Aug 26, 2024 ^[1]	Check local listings national slot	Listed
3	The Interceptor	Mon, Sep 2, 2024 ^[1]	Check local listings national slot	Listed
4	Fight for the Fjords	Mon, Sep 9, 2024 ^[1]	Check local listings national slot	Listed
5	Chaos in Command	Mon, Sep 16, 2024 ^[1]	Check local listings national slot	Listed
6	The Hunted	Mon, Sep 23, 2024 ^[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 Hell Below

Season 4: Season 4 of Hell Below aired from August 19, 2024 to September 23, 2024 on National Geographic (6 episodes).

Network / service: National Geographic (first aired July 17, 2016)
Official site: nationalgeographic.com
Main cast over the series (TVmaze): Mark Oliver (Narrator)

All seasons

Season 4

Season complete

Season 4 of Hell Below aired from August 19, 2024 to September 23, 2024 on National Geographic (6 episodes).

Cable

Season 3

Season complete

Season 3 of Hell Below aired from July 26, 2020 to August 30, 2020 on National Geographic (6 episodes).

Cable

Season 2

Season complete

Season 2 of Hell Below aired from July 1, 2018 to August 5, 2018 on National Geographic (6 episodes).

Cable

Season 1

Season complete

Season 1 of Hell Below aired from July 17, 2016 to August 21, 2016 on National Geographic (6 episodes).

Cable

Common questions

How many seasons of Hell Below are there?

Hell Below has 4 seasons and 24 episodes listed, with the first airing on July 17, 2016.

Is Hell Below still on?

No new season of Hell Below has been confirmed yet; its most recent episode aired on September 23, 2024.

Where can I watch Hell Below?

Hell Below originally aired on National Geographic in the U.S. Streaming rights for older seasons change over time, so check National Geographic's own app and the major streaming services for the current home.