Continuity mistake: When we see "Grandpa's Folly" being 'scratched' in his starting box, the box has no door in front of it, but when we see the boxes at the start of the race in the next shot, a door has suddenly appeared.
Continuity mistake: In the beginning, when Billy is talking to the bum (who later turns out to be Tawny), the bum has a glove on his right hand. When he reaches his right hand out to Billy and Billy gives him a subway token, there is no glove. It's back in the next shot.
Continuity mistake: When Foghorn Leghorn is relaxing in the barnyard, you can see there are two hens fanning him, but when a man on a bicycle arrives with a telegram, the hens with fans have disappeared.
Continuity mistake: When Pluto is by the radio in the music shop, there is a record player behind him which has three buttons on the side, but in the next shot the buttons have moved a few inches to the right.
Continuity mistake: In this 1933 Mickey Mouse short, Mickey dreams he is in a mad doctor's castle. He opens an inner door and finds a second door behind it. He then finds a third, fourth and fifth door. When a sixth door swings open and he is able to enter the mad doctor's lair, the other five doors have vanished.
Continuity mistake: When Elmer opens the door and finds Bugs at the dressing table in ladies' underwear, you can see the door is positioned on the left hand side of the frame. But when we see Bugs, the door is now on the right hand side.
Continuity mistake: When Thomas uses a fishing rod to hoist himself up to Tweety's cage, you can see that Tweety is resting himself with his arm on the swing. But when we see Tweety in the next shot, his arm is on his chest.
Continuity mistake: When Sam confronts Bugs by the Powder Room, Bugs takes out a match, lights it and throws it into the Powder Room. You can see that the packet of matches is now one short. When Sam tells Bugs that "If you does that once more, I ain't a-goin' after it!" we cut to Bugs and when he takes out the packet, it is now full with matches again.
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 Bugs discovers that Mr Hyde fired a hole in the wood that he used to board the door up to stop Mr Hyde from entering the basement, the number of planks change between shots.
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.
Continuity mistake: When Spike is captured by the dog catcher at the end of the cartoon, you can see that there is a padlock on the door of the van, but when Jerry is chasing the van in the next shot, the padlock has disappeared.
Continuity mistake: When Daffy is standing on the branch of the tree ready to jump off, he is holding on to a rope. When the camera angle changes to behind Daffy in the next shot, the rope is missing.
Audio problem: When we see the moth singing on his way to the bar, his mouth doesn't move.
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 Porky tells Daffy to arrest Nasty Canasta, you can see the window next the door has four panes of glass, but when Daffy challenges Canasta to a fight, the number of panes has increased.
Continuity mistake: When the rabbit puts his hands on Elmer's face and says "Please, sir!" you can see Elmer's camera behind him. But after a quick cut to the rabbit, we return to the two and there is now no sign of the camera.
Continuity mistake: When we see the two ants performing an act with the sardines tin, the tin initially has nothing on the side but in the next shot "Sardines" has appeared.
Continuity mistake: When Mickey Mouse is chasing his hat, he has no cane. But after falling out of the dustbin, he has the cane again and this time it is hooked.
Continuity mistake: When Pluto is at a tree, he digs up a hole to retrieve a bone for Dinah. When we see the tree later on in the cartoon, the hole that Pluto dug up is nowhere to be seen.