Audio problem: When Bugs says "That's the old ginger, boy!" when practising with his baseball bat, his mouth doesn't move.
Continuity mistake: After Bugs shoots the man in the audience for coughing, the style of notes in the music book in front of him changes between shots.
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.
Continuity mistake: When Bugs kisses the mechanical rabbit, the rabbit short-circuits and breaks into pieces onto the floor. Bugs then starts to leave, but when the scientist pushes Bugs back to meet the monster, the pieces have disappeared.
Continuity mistake: When Spike goes back inside his kennel to beat up Tom, you can see a dish beside it, but when we see the kennel in the next shot, the dish has gone.
Continuity mistake: When we see the cats lounging around, the bottle the drunken cat is holding has nothing on the label, but in the next shot it now reads "Arsenic and Old Grapes."
Continuity mistake: When Bugs starts singing "Someone's Rocking My Dream Boat" when he is dreaming, you can see the side of his boat has nothing on it. When he throws out the anchor, the words "Dream Boat" have appeared.
Continuity mistake: When the convict trips outside the plastic surgeon's office, the sign on the window reads "plastic surgery" which changes to "plastic surgeon" in the very next shot.
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 Daffy steps out of the bus at the beginning of the short, he drops his suitcase on the pavement. When we see Daffy in the next shot, the suitcase has gone.
Factual error: When the camera pans to the theatre right after the opening credits, the sign uses the British spelling of "theatre" instead of the American "theater."