James explores just how effective German weaponry was in battle conditions and uncovers the secret flaws the Nazis tried to hide

James goes to the depths with Germany's Wolf Packs, the U-boats, the force that most threatened wartime Britain's survival - from suicidal one-man torpedoes to the potentially game-changing Type XXI

James Holland uncovers the truth behind Germany's Panzer tank divisions, from the mini Panzer II to the enormous Tiger tank. He also goes for a ride in Hitler's luxury Mercedes.

At the outbreak of the war, the Nazis had the finest air force in the world. Just five years later it was a broken fleet. Why?