1. Luftwaffe

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. 25 November 2019. 45 min

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?

2. The Panzers

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. 2 December 2019. 45 min

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.

3. The U-Boats

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. 9 December 2019. 45 min

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

4. The Guns

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. 16 December 2019. 45 min

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