Secret Nazi Bases (2019)

Name: Secret Nazi Bases
Genre: Documentary
Rating: 6.1
Cast: James MacPhee, Richard Lynson

Documentary

From tunnels to towers, artillery sites, resistance nests and communication centers, Nazi Germany left their footprint throughout the world. To this day, silent remains still exist, sentinels guarding clues about plots that Hitler was unable to carry out. The collapse of the Third Reich left as many secrets as it did relics. Still today, remnants of the Nazi's schemes lie concealed in structures scattered across the globe. Skeletons of projects give way to mysteries. Conspiracies abound about science fiction scenarios. The Nazis were nothing if not methodical, and a deeper look reveals even darker plans. From tunnels to towers, artillery sites and communication centers; the remains of these schemes lie waiting to reveal truths about the Fuhrer's tactics and dreams in Secret Nazi Bases. What did Hitler have planned?

IMDb rating: 6.1 (142 votes)
Seasons: 4
Streaming (US): Discovery+ Amazon Channel · Philo · Science Channel · Magellan TV · Discovery + · Xive TV Documentaries Amazon Channel · The Roku Channel · Pluto TV · Tubi TV · Spectrum On Demand
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 4 seasons indexed

Cast

Seasons

Season 1 (2019)

6.22 avg 6 episodes 6.1 → 6.3 42 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Hitler's Forbidden Island (Guernsey)	6.1	26
2	The Devil's Lair (Maisy Batteries)	6.2	31
3	Conspiracy on Death Island (Villa Winter)	6.0	36
4	The Doomsday Castle (Kraftwerk Nord West)	6.0	29
5	Hitler's Invisible City (DAG Bromberg)	6.7	27
6	Mystery Of The Nazi Nukes (Bergkristal)	6.3	23

Season 2 (2021)

6.76 avg 8 episodes 7.1 → 6.8 42 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Sum of All Fears	7.1	15
2	Lurking in the Shadows	6.8	12
3	Hitler's Secret Underground City	7.0	11
4	The Secrets of Nazi Future Tech	7.0	15
5	Fuelling Evil	7.0	12
6	Secrets of Hitler's Castle	6.6	11
7	The Future of Evil	5.8	14
8	Himmler's Occult Castle	6.8	12

Season 3 (2023)

7.13 avg 6 episodes 7.4 → 7.2 48 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	Into the Wolf's Den	7.4	9
2	Run Silent Run Deep	6.8	11
3	Terror Out of Sight	7.1	11
4	Underground Terror	7.2	11
5	Nazi Gold	7.1	10
6	Last Stand	7.2	9

Season 4 (2025)

7.03 avg 6 episodes 6.7 → 6.8 43 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	A Secret Canal	6.7	8
2	Darkened Turrets	6.6	8
3	A Secret to Win the War	7.2	6
4	Vengeance Under the Dome	7.3	8
5	Island Battleship	7.6	9
6	Wolves in Wolves' Clothing	6.8	6