Secret Nazi Bases - Season 4
1 - A Secret Canal
With 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.
2 - Darkened Turrets
As 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.
3 - A Secret to Win the War
In 1942, a mysterious technology is facilitating a deadly Blitz. Desperate for answers, British intelligence sets its sights on an installation in Bruneval, France.
4 - Vengeance Under the Dome
As Allied bombing raids escalate, a massive concrete dome rises from the French countryside, reportedly concealing a crucial component of Hitler's plan.
5 - Island Battleship
After 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.
6 - Wolves in Wolves' Clothing
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.