Continuity mistake: When we see a close-up of the meter, there is a box saying "10 Centavos for One Hour." The words were not in the box in the previous shot.
Continuity mistake: When Daffy is clawed by the bear, he loses his hat in the process. But when we Daffy running in the next shot, the hat is back on his head again.
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.