Continuity mistake: The three enter a small cantina and start a fight and fire. The place is huge on the inside, with stairs to a second floor. From the outside it's just a small shack.
Continuity mistake: When the Big Bad Wolf has finished hammering in the sign at the beginning of the cartoon, he is holding a hammer in his right hand. When he tells his nephew to put their rabbit outfits on, he holds up his right hand but the hammer he was holding a few seconds ago has disappeared.