The David and Goliath Raid - S2-E2
Revealing mistake: While Hitch dresses Tully's arm wound, modern power line towers following a paved road are seen in the background.
The Darers Go First Raid - S2-E4
Revealing mistake: Tully looks through the tank's gun sight at the dog following behind them, but the tank's gun is oriented to the front and not the rear, where the dog is located.
The Darers Go First Raid - S2-E4
Revealing mistake: The pyrotechnic apparatus that simulates the German tank firing is visible inside the tank's gun barrel in some scenes, and missing in others.