Continuity mistake: Baxter meets his neighbour for the first time as he is about to unlock the door. In the very first shot the doc lowers his arm, which is raised again in the close-up. (00:08:30)
Continuity mistake: When the boiler explodes, Robert Stack runs into his daughter's bedroom, looks down the big hole and the cabin below has nobody in it. He tries to save his daughter and the camera angle shows someone lying on the floor next to the hole. Looks down for the third time, and the person lying on the floor is gone again.
Continuity mistake: When Bugs reaches the top of the stairs in Bedlam Manor, Yosemite Sam (dressed in a suit of armour) tries to chop off Bugs' head with an axe, but Bugs ducks and Sam falls down the stairs. When we see Sam falling down the stairs in the next shot, Bugs has disappeared.
Continuity mistake: When Marchello is on a rooftop restaurant before opening time he is trying to type something as a journalist but he keeps getting distracted, so he asks the girl who works there to turn the jukebox off, which she does by pulling something from behind it, like the power cord. When he asks to have it turned back on, the girl just presses something simple in the front, instead of at the back, which she should have done.
Continuity mistake: When Palfrey is being shown the Austin Healey, the salesman lets him in on the passenger side and he slides across to the driver's seat. In the next shot the salesman is standing on the driver's side.
Continuity mistake: When Dr Jekyll enters his laboratory at the start of the cartoon, he locks the door with his key. After drinking the Hyde Formula, he turns into Mr Hyde for a short time before going back to Dr Jekyll. When Jekyll leaves the laboratory, he opens the door without unlocking it.
Continuity mistake: When Sam's spaceship points a ray gun at Bugs' home, you can see the elevator control box outside the home has nothing on it, but in the next shot there are now wires attached to the box.
Continuity mistake: The first time you see "No Sale" written in lipstick on a big mirror by Elizabeth Taylor, the "o" in "No" is partially formed. The next time you see the mirror, the letter "o" has been filled in and completed.
Continuity mistake: When Bugs leaves his rabbit hole to join Wile E. Coyote at his picnic, you can see there is a jar of mustard near the end of the edge of the blanket. But when we see a full view of the blanket in the next shot, the jar has disappeared.