Air date: 2021-06-04

Runtime: 43 min

Guided missiles, the Wasserfall, and the war-changing V2 were dreamed up and tested in Peenemunde, a German seaside city suddenly overtaken by Nazi elite.

Air date: 2021-06-11

Runtime: 43 min

Germany's preparations for WW2 began years before 1939. Under various guises, Germany began work on what would become their most technologically advanced front.

Air date: 2021-06-18

Runtime: 43 min

In 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.

Air date: 2021-06-25

Runtime: 43 min

Hidden 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.

Air date: 2021-07-02

Runtime: 43 min

Outside 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.

Air date: 2021-07-09

Runtime: 43 min

Secrets of Hitler's Castle: When the Nazis took Ksiaz Castle, it wasn't for the view. Secret staircases and lifts were built, while underneath, a vast network of tunnels was taking form. S2 Ep6

Air date: 2021-07-16

Runtime: 43 min

Built in 1934, Ordensburg Vogelsang, a virtual Nazi Castle was constructed with the intention of building the New German; elite future leaders of the Reich.

Air date: 2021-07-23

Runtime: 43 min

In 1933, Heinrich Himmler signed a 100-year lease for Wewelsburg castle in Büren, Germany. The space became a clandestine training space for the SS.