Continuity mistake: Throughout the cartoon, Giovanni Jones's hair is blonde, but when he emerges from the rubble at the end of the concert, his hair is now reddish.
Continuity mistake: Before Elmer's two dogs shake hands on agreeing to catch Daffy, one of them draws a diagram which is a dotted line and a circle with a cross in it. After the two dogs run into a tree, they go back to their meeting point and this time the diagram is completely different to the one drawn before.
Continuity mistake: When Bugs tells the audience that Fearless Freep will be unable to perform his high diving act, he has the telegram in his right hand. When Yosemite Sam comes on to the stage, look at Bugs and the telegram he was holding a few seconds earlier has disappeared.
Continuity mistake: After Reginald Fox ties up the dog in the bag, his monocle is on his left eye, but when he answers the door in the next shot, the monocle is now on his right eye.