Continuity mistake: When Tom is running away from Uncle Pecos, he runs into the house and slams the door. When he slams the door, you can see the little door at the top has nothing on it, but in the next shot a handle has suddenly appeared.
Continuity mistake: When Yosemite Sam picks up a club to chase Bugs Bunny, you can see Sam is holding the club with his left hand. But when we see Sam pursuing Bugs in the next shot, he is holding the club with his right hand.
Continuity mistake: When we see the four mice at the start of the cartoon, you can see there is nothing behind them, but when the camera pans in on them in the next shot, a cactus and a huge rock appear from nowhere.
Continuity mistake: When the people in the park flee after seeing Bugs Bunny as a green monster, there is a tree and some bushes in the background. In the next shot, they have disappeared.
Continuity mistake: When Daffy Duck pursues the stork with an axe, you can see the doors of the alligators' basement are closed. But when Daffy falls into the basement after cutting the telegraph wire, one of the doors is now open.
Continuity mistake: When Tom is tying the string on the alarm clock whilst assembling his mousetrap, you can there is a bar which the string is attached to and the wall next to it is perfectly fine, but in the next shot there is a piece broken out of it.
Continuity mistake: When Bugs is horrified to realise that he was holding a picket sign, the yellow paint on his tail disappears briefly.
Continuity mistake: When we first see the book that Bugs is reading at the beginning of the cartoon, there are words on the front cover and spine. In the next shot, the words have gone.
Continuity mistake: When Hippety Hopper breaks his crate apart on the rocks, you can see there are pieces of crate on the ground, but when we see Hippety in the next shot, the pieces have disappeared.
Continuity mistake: Park Ranger Donald is leading five bears to a cave, so they can hibernate for the winter. He finds a bear sleeping in a hammock and forces him to join the others. There should now be six bears but a seventh bear has appeared out of nowhere. Later in the cave, their number has grown to nine.
Continuity mistake: When the camera pans in on the audience at the start of the show, you can see that Granny is sitting next to Bugs and Daffy, but after a quick cut to Elmer, we return to Bugs and Daffy, and Granny has disappeared.
Continuity mistake: When Elmer is picking up the money and putting into the case, the dollar note next to Sylvester changes position between shots.
Other mistake: Philip De Guard is the cartoon's layout artist, yet when we see his name in the opening credits, it is spelled "Phillip" instead of the usual "Philip."
Continuity mistake: When Butch and the other cats tiptoe past Spike at the start of the cartoon, you can see that Spike's bone is next to his kennel, but when Jerry is thrown out of the house by the cats before the film begins, he lands in Spike's mouth and the bone is now next to Spike.
Continuity mistake: When the Coyote attempts to capture the Road Runner for the first time, he is standing on a bare patch of pavement surrounded by the puddle of glue he is spreading. In the next shot, the Coyote is now standing on glue with no bare patch, and when he realises he is about to be hit by the truck, he is standing on bare pavement in middle of the glue puddle once again.
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 the man is sitting on the park bench and the frog is singing, the outside of the newspaper is completely blank, but in a close-up of the frog croaking, writing appears.
Continuity mistake: When the Gophers hear Elmer Fudd and the furniture salesman coming, they hide in the bottom drawer, but when Elmer drives home, the Gophers are now hiding in the second drawer down.