Continuity mistake: When Elmer Fudd shoots Bugs Bunny's dress after discovering he was one of the can-can dancers, there are pieces of Bugs' dress on the floor. But when Bugs runs back after Elmer points his gun at him, the pieces have disappeared.
Continuity mistake: When Granny is speaking to Sylvester at the start of the cartoon, you can see there is nothing is under Sylvester. In the next shot, a green pillow appears, and in the shot after that, it has disappeared.
Continuity mistake: When Sammy Squirrel meets Screwy Squirrel, you can see that Sammy is holding a basket in her left hand, but in the next shot the basket has disappeared.
Continuity mistake: When the dog is sniffing Bugs Bunny, you can see that Bugs has his right hand on the tree while he is eating a carrot, but when we see a close up of the dog in the next shot, Bugs' hand has disappeared.
Continuity mistake: When we see Porky and Daffy sleeping at the start of the cartoon, you can see that the light above Porky's bed has nothing on it, but when Porky goes to bed later on, the light now has a cord attached to it.
Continuity mistake: The book Sniffles is reading is coloured green in long shots, yet in close ups it is yellow.
Continuity mistake: When Spike is captured by the dog catcher at the end of the cartoon, you can see that there is a padlock on the door of the van, but when Jerry is chasing the van in the next shot, the padlock has disappeared.
Continuity mistake: When Elmer Fudd picks up the newspaper beside him, you can see that he is holding the paper with his hands whilst looking at the front page, but when we see the newspaper in the next shot, his hands are nowhere to be seen.
Continuity mistake: When Daffy flies into the squadron headquarters, you can see that the strap on the left-hand side of his helmet is resting on his arm, but in the next shot the strap is directly behind him.
Revealing mistake: Several pieces of furniture, including a large sofa, fall over before the suitcase bomb actually explodes.
Factual error: As the train with Wilson aboard pulls into a town toward the end of the movie the year is 1919. Through the window of the train, looking out into the parking lot, there are two cars from the mid to late 1930s.