Nazi Underworld

On the 17th of August, 1987, Hitler's former deputy Rudolf Hess commits suicide in prison, marking the end of a life of mystery and intrigue. We investigate some of the riddles still surrounding Hess. What motivated him to single-handedly fly to Scotland? Did he want to make peace with the UK? And Hess's last mystery: did he really kill himself, or was he murdered?

On July 27th, 1943, a U.S. patrol plane spots the German U-boat U-513. With no time for the vessel to dive: 2 bombs hit, and only 7 men survive. Until now, the final resting place of U-513, and what exactly happened to it, has remained a mystery. The adventurer Vilfredo Schürmann managed to locate the wreck, allowing us to piece together the puzzle of the U-boat's final mission and grisly end.

From 1936, Hitler's personal physician Dr Theodor Morell remained at his side, handing out dubious treatments, up to 8 different medications daily, including one containing strychnine. Did Morell try to poison his employer? Was Hitler well enough to lead Germany? American psychologist Nassir Ghaemi has doubts. We give an exclusive and surprising insight into a previously unknown side of Hitler.

In the last weeks of the Third Reich, the Nazi regime goes about hiding their immense riches in the Alps, but was this 'Alpine Fortress' an elaborate bluff or a serious plan for future Nazi resurgence? What happened to the hidden Nazi treasure? We follow the trail of these old mysteries and uncover what happened in the turbulent last days of the Third Reich.

Daredevil missions, dangerous assignments, and secret operations continue to mystify WWII experts. We take a fresh look at some of the most notable secret missions of the Second World War, from the 1943 Gran Sasso mission to free Benito Mussolini to the cold-blooded killing of the American-appointed mayor of Aachen in the last months of the war.