The Darers Go First Raid - S2-E4
Factual error: Sgt. Moffitt takes the controls of the tank and the steering mechanism looks like a "tricycle" type. The Sherman model used in this episode actually used left and right lateral stick controls, not a tricycle or "T-Bar" control.
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
Continuity mistake: One scene shows a tank of the M46/47 Patton series as it rolls over the view of the camera rather than the M4 Sherman model used in this episode.
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.