Continuity mistake: When we see Daffy Duck hiding behind the tree at the start of the cartoon, you can see that behind him on the left there is nothing in the background, but when we see wiping the sweat off his face with a towel in the next shot, trees have suddenly appeared.
Continuity mistake: When Porky sends Sylvester down the stairs to stay in the kitchen, Sylvester crashes into an umbrella stand and there are several umbrellas in the stand. But when we see Porky at the bottom of the stairs a little later on, the stand is now completely empty.
Continuity mistake: When Donald sees an ant carrying a green bean on his back, there is a pepper pot on the picnic blanket. When Donald sees the ant walking on a knife, the pot has gone.
Continuity mistake: Casbah has whiskers on his mouth when he eats the exploding carrot that Bugs gave him, but when the carrot explodes, they disappear.
Revealing mistake: When Tom is punctured in the rear by the fork that Nibbles is holding, his tail is missing.
Continuity mistake: When Pepe Le Pew enters the house all frozen up, you can see there is nothing on the table next to the bed where the dog is, but when Pepe goes into the bed with the dog, a glass and jug have appeared.
Continuity mistake: When we see Elmer getting himself ready to go to bed at the start of the cartoon, the window he is dressing in front of does not have a frame, yet it does have one when see Elmer winding up the alarm clock in the next shot.
Continuity mistake: When we first see the baby bird in its nest at the beginning of the cartoon, you can see that the nest is positioned on a branch, but when we see the bird attempting to fly later on, the nest is now in the crook of two branches.
Continuity mistake: When we see the rowing boat on the beach at the beginning of the cartoon, you can see that the oars are standing straight and the boat is on the sand. But when Bugs Bunny takes the boat to escape from Sam, the boat is in the water and the oars are now in the rowlocks.
Continuity mistake: When Elmer catches Sylvester breaking his dishes, Elmer's position changes between shots.
Continuity mistake: When Yosemite Sam enters the saloon, there are swinging doors behind him. When he orders "all of you skunks" to "clear outta here", the other cowboys leave but the doors to the saloon have disappeared.
Continuity mistake: When the big dog points his gun towards the hole in the log, the length of the log changes between shots.
Continuity mistake: When Sylvester (dressed as a cleaner) sneaks up on Tweety's cage to capture the bird, he puts his dustpan and brush next to the cage. But when we see Tweety standing next to the cage, the dustpan and brush have gone.