Continuity mistake: When the clerk looks in close-up at the bank cheque written in disappearing ink by Fantomas, the background has nothing to do with the desk, and the distance is all wrong as well. (00:03:10)
Continuity mistake: When the protagonist of the first episode is shown, he's on the phone talking to his lover, alone in the middle of a room. The cable of his phone though comes always from the same direction even when supposedly he is in different, opposite, spots inside the same room. (00:02:50)
Factual error: In a scene set in 1871, several newspaper articles get printed on Moe's face as he falls onto a printing press. Curly Joe reads that "AT&T is splitting two for one." American Telephone and Telegraph Company was founded in 1885.