Hell Below (2016)

Documentary · History · War

Hell Below is an event-based series charting the stealth game of sub sea warfare, tracking the dramatic narrative from contact to attack of the greatest submarine patrols of World War II. From the rise of the Wolfpack to the drive for victory in the Pacific, we profile the strategic masterminds and the rapid evolution of technology and tactics, as the threat of undersea warfare brings every sailor's worst nightmare to life. Expert analysis and stock footage are woven with narrative driven re-enactments filmed on authentic Second World War era submarines to place the characters at the heart of the action.

IMDb rating: 7.6 (222 votes)
Seasons: 4
Streaming (US): fuboTV · Paramount+ · YouTube TV · Philo · National Geographic · Spectrum On Demand
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 4 seasons indexed

Seasons

Season 1 (2016)

7.78 avg 6 episodes 7.9 → 8.0 46 min avg

Big finale

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Wolfpack	7.9	41
2	Hitler's Revenge	7.8	33
3	America Fights Back	7.7	36
4	Atlantic Showdown	7.7	29
5	Destroyer Killer	7.6	28
6	Fatal Voyage	8.0	31

Season 2 (2018)

7.78 avg 6 episodes 7.6 → 7.8 44 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	In Enemy Waters	7.6	23
2	Submarine Sabotage	8.2	24
3	U-Boat Killers	7.7	23
4	Defying Rommel	7.6	25
5	Sub vs. Sub	7.8	22
6	Cuban Crisis	7.8	23

Season 3 (2020)

8.02 avg 6 episodes 7.9 → 8.2

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	Killer Strike	7.9	11
2	Enigma Capture	8.2	12
3	The Longest Journey	7.7	12
4	Torpedo Rampage	7.8	10
5	Commander Down	8.3	12
6	Iwo Jima Pilot Rescue	8.2	14

Season 4 (2024)

8.50 avg 5 episodes 9.3 → 8.2

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	Fight for the Fjords	9.3	8
2	Subversion	9.0	5
3	The Hunted	8.2	5
4	Edge of Survival	7.8	6
5	Chaos in Command	8.2	5

Hell Below (2016)

Seasons

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