Revealing mistake: Through the whole show, the submachine guns (Thompson's, MP40's, etc.) do not eject spent cartridges after being fired.
The Rat Patrol (1966)
1 revealing mistake in show generally
Starring: Christopher George, Eric Braeden, Gary Raymond, Lawrence P. Casey
The Life Against Death Raid - S1-E2
Audio problem: The motorcycle/sidecar and jeeps' tyres sound like they're screeching on asphalt, when the vehicles are actually in deep sand.
Sgt. Sam Troy: Let's shake it.
The Bring 'Em Back Alive Raid - S1-E26
Trivia: The scene of a German guard in a tower scanning with a spotlight from "Hogan's Heroes" is used to spotlight Moffitt, Hitch, and Tully during their escape.