Continuity mistake: When Bugs pulls the two sawn boxes apart to demonstrate to the audience that Daffy has been cut in half, there is a saw on the floor. But when Daffy jumps out of the box in the next shot, the saw has disappeared.
Continuity mistake: When Bugs is performing his juggling act, he is juggling with four balls. But when the balls fall into his hat, there are now five.
Revealing mistake: When Bugs is applauding with the audience after Daffy has blown himself up, his tail disappears for a second.
Stage Manager: But Daffy, we bill according to drawing power.
Daffy Duck: Oh, yeah? That rabbit couldn't draw flies if he was covered with syrup. Okay, this performance will prove I'm a star.