Continuity mistake: In the penultimate scene when Susan has just gotten off the train and is running to Ned Trent, you see her fall over flat on her face and then sit up. Cut to the close up where Ned has also fallen over, Susan is flat on her face again.
Continuity mistake: When Frank, the DA and the policeman are discussing the accident, the policeman notices the electrocuted cat and it is shown next to the ladder. In the subsequent wide shot the cat is lying between the beams of the ladder.
Continuity mistake: When we first see the cuckoo clock at the beginning of the short, you can see there is nothing on the door, but when the cuckoo goes back into the clock after announcing "It's 12 o'clock!", a handle has appeared.
Continuity mistake: When Elmer Fudd is holding the test tube to drop liquid into the solution, you can see there is nothing on the side of the tube, but in the next shot a measuring system suddenly appears.
Continuity mistake: When Screwy Squirrel is breaking the walnuts by putting on his head and hitting them with a hammer, he puts down the hammer to eat the walnuts, but when the pet shop owner takes Screwy out of his cage, the hammer has disappeared.
Continuity mistake: During the Benny Goodman "All The Cats Join In" segment, a teenaged girl gets out of the shower and hops into her underpants and skirt. Suddenly her feet are clad in white socks which were not there before.
Continuity mistake: When Tom picks up a telephone book, you can see he is holding the book with both hands, but when we see a close-up of the "Ajax Mouse Exterminators" in the next shot, his hands are nowhere to be seen.