Character mistake: The score board during the game shows the Gas House Gorillas have the scores 10, 28, 16 and 42, for a total of 96 runs. But later on the announcer gives the score as "Bugs Bunny 96, Gas House Gorillas 95."
Continuity mistake: When Bob tells Junior that Larry is a cucumber, the carpet and the shadow of Junior's bed shift to the right a little bit.
Continuity mistake: In a close-up, Ollie is lying on his back in bed and starts to get up. In the immediate long shot, he is on his hands and knees and rising from a prostate position.
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 Sylvester's conscience appears by the tree stump, the position of Sylvester's left leg on the stump changes between shots.
Continuity mistake: When Jerry and one of the puppies hear Tom whistling during the thunderstorm, you can see that there is a newspaper by the puppy when he and Jerry look out from their shelter, but when Tom falls into the river, we cut back to Jerry and the puppy and the newspaper has disappeared.
Continuity mistake: When Mama Ape takes Bugs Bunny out of his bed, Bugs is wearing a baby hat, but when Mama is holding him in the next shot, the hat has disappeared.
Continuity mistake: When Calvin Q. Calculus has invented the portable hole, he says "Eureka!" and you can that there is a beaker on the desk, but in the next shot the beaker has disappeared.
Continuity mistake: When Spike grabs the bomb (painted as an apple) from the cockerel, he takes a bite out of it. You can see that when Spike is about to eat it, the eaten part of the bomb is facing his mouth, but in the next shot the eaten part is now facing downwards.
Continuity mistake: When Elvis hands a pair of binoculars to his pappy, you can see there is a swarm of flies buzzing around Pappy, but in the next shot the flies have disappeared.
Continuity mistake: After trying in vain to sleep in the upper berth of a railroad car, Laurel and Hardy hastily get dressed and get off the train at the Pottsville station. As they watch the train pull away, they are wearing each other's derby. In the immediate close-up, each of the two is wearing his own derby.
Other mistake: When the captive begins her escape, she kicks the bed through the orange portal offscreen, but the portal only starts about a foot off the ground, so the bed would have hit the wall, rather than have gone through the portal.
Continuity mistake: After the mouse is revived by water from Jasper, he goes up to the cat and you can see that the mouse's left hand is under Jasper's mouth, but in the next shot his hand is now near the whisker area.
Continuity mistake: When Bugs Bunny closes the door on Daffy Duck at the end of the cartoon, Bugs is holding his pencil upside down, but in the next shot he is now holding it the right way up.
Other mistake: When Sylvester is looking in the mirror whilst trying on hats, one of the hats has a price tag on it which reads $105.95. However, you can see the price numbering is the right way round - it should be back to front.
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 Bugs is preparing himself for his date with Daisy, the picture of Daisy on his dressing table changes between shots.
Continuity mistake: When one of the doctors touches Donald's stomach with a stethoscope, Donald has his hat on his head, but when Donald is pulled off in the next shot, his hat has disappeared.
Continuity mistake: When Elmer answers the door after retrieving the case of money from Sylvester, he puts the case on the ground and there are two cats pretending to be a widow and her child. But when Elmer says "Would a few dollars help?" the case has disappeared.
Audio problem: When Bugs hits the key on the right of the booby-trapped key, the tone of the key is different to the one when he hit it first time.