Is Secret Nazi Ruins coming back?
Secret Nazi Ruins (2019–present) — history on U&Yesterday
The answer: Between seasons — last episode July 30, 2025, no return date announced yet.
4seasons
26episodes
7.3/ 10
About Secret Nazi Ruins
<SHOW> is between seasons as of May 10, 2026. The most recent episode aired on July 30, 2025, and no new season has been announced yet. The show last aired its fourth season on U&Yesterday, concluding in July 2025.
Secret Nazi Ruins is a history series that first premiered on September 5, 2019. It explores the hidden remnants of Nazi Germany, including tunnels, towers, artillery sites, resistance nests, and communication centers. The series investigates these covert structures, revealing their purpose, construction, and technical design, based on expert analysis.
Each episode has a runtime of 56 minutes.
Secret Nazi Ruins episode schedule
26 aired
Aired · 26
| Date | Ep. | Title |
|---|---|---|
| July 30, 2025 | S4·E6 | Wolves in Wolves Clothing |
| July 23, 2025 | S4·E5 | Island Battleship |
| July 16, 2025 | S4·E4 | Vengeance Under the Dome |
| July 9, 2025 | S4·E3 | A Secret to Win the War |
| July 2, 2025 | S4·E2 | Darkened Turrets |
| June 25, 2025 | S4·E1 | A Secret Canal |
| September 25, 2023 | S3·E6 | Last Stand |
| September 22, 2023 | S3·E5 | Nazi Gold |
| September 21, 2023 | S3·E4 | Underground Terror |
| September 20, 2023 | S3·E3 | Terror out of Sight |
| September 19, 2023 | S3·E2 | Run Silent Deep |
| September 18, 2023 | S3·E1 | Into the Wolf's Den |
| July 29, 2021 | S2·E8 | Himmler's Occult Castle |
| July 22, 2021 | S2·E7 | The Future of Evil |
| July 15, 2021 | S2·E6 | Secrets of Hitler's Castle |
| July 8, 2021 | S2·E5 | Fuelling Evil |
| July 1, 2021 | S2·E4 | The Secrets of Nazi Future Tech |
| June 24, 2021 | S2·E3 | Hitler's Secret Underground City |
| June 17, 2021 | S2·E2 | Lurking in the Shadows |
| June 10, 2021 | S2·E1 | The Sum of All Fears |
| October 10, 2019 | S1·E6 | Hitler's Invisible City |
| October 3, 2019 | S1·E5 | Mystery of the Nazi Nukes |
| September 26, 2019 | S1·E4 | Hitler's Forbidden Island |
| September 19, 2019 | S1·E3 | The Devil's Lair |
| September 12, 2019 | S1·E2 | The Doomsday Castle |
| September 5, 2019 | S1·E1 | Conspiracy on Death Island |