Secret Nazi Bases
Secret Nazi Bases is a TV show on Yesterday. Documentary series uncovering and examining hidden structures built by the Nazis. The program has been available since 2025. A total of 20 episodes have been broadcast, most recently in July 2025.
Last episode
1:00:00
1:00:00Secret Nazi Bases
Deep in the forests of East Prussia, a sprawling Nazi complex becomes the nerve centre of Hitler's empire - and the site of a daring plot against the Fuhrer.
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1:00:00As Allied bombing raids escalate, a massive concrete dome rises from the French countryside, reportedly concealing a crucial component of Hitler's plan.
1:00:00In 1942, a mysterious technology is facilitating a deadly Blitz. Desperate for answers, British intelligence sets its sights on an installation in Bruneval, France.
Series 3
1:00:00
1:00:00Why did the Nazis fight tooth and nail to protect the city of Luban? Abandoned factories, hidden tunnels, and strange rumours provide clues to the mystery.
1:00:00Where are the missing billions? Exploring the tunnels, lakes, and secret caches used by the Nazis to hide spoils of war.
Series 4 1:00:00
1:00:00After the Allied landing in Normandy, France falls city after city - but a small island fortress off the coast becomes the stage for a harrowing act of Nazi defiance.
Series 3 1:00:00
1:00:00A vast network of Nazi bunkers buried in the Hague tells the story of the greatest battle of WWII that never was.
1:00:00Scientists in Kamienna Gora work to keep the Luftwaffe flying but are they also building Hitler's next revenge weapon?
1:00:00A chilling discovery in the furthest reaches of Eastern Canada hints at the true depths of the Nazis' seafaring capabilities.
Series 4 1:00:00
1:00:00As Hitler's shadow engulfs Europe, ancient castles across the continent fall under Nazi control and are transformed to serve the ambitions of the Third Reich.
Series 3 1:00:00
1:00:00Allied forces stumble across a sprawling complex in the French countryside. What did the Nazis have planned for this mysterious Nazi stronghold?
Series 4 1:00:00
1:00:00With Nazi Germany's rise to power, a long-abandoned canal project in East Prussia is resurrected, but the true purpose of this massive waterway comes into question.
Series 2 1:00:00
1:00:00In 1933, Heinrich Himmler signed a 100-year lease for Wewelsburg castle in Buren, Germany. The space became a clandestine training space for the SS.
1:00:00Built in 1934, Ordensburg Vogelsang, a virtual Nazi Castle was constructed with the intention of building the New German; elite future leaders of the Reich.
1:00:00 1:00:00Outside the town of Politz lie the ruins of what was once one of Germany's most important assets - a place that kept the German war machine moving.
1:00:00Hidden in a remote mountainous forest is a structure nicknamed the Fly Trap or Hitler's Stonehenge. Researchers still have no definitive idea what it is.
1:00:00In Poland lies a forgotten Nazi complex which could have sheltered up to 27,244 people from Allied bombs, the purpose of which largely remains a mystery.
1:00:00Germany's preparations for WW2 began years before 1939. Under various guises, Germany began work on what would become their most technologically advanced front.
1:00:00Guided missiles, the Wasserfall, and the war-changing V2 were dreamed up and tested in Peenemunde, a German seaside city suddenly overtaken by Nazi elite.