Continuity mistake: Elmer Fudd is standing by the door when he reads the sign on it, but when we see Bugs Bunny in the next shot, Elmer is nowhere to be seen. The style of the words "No One" also changes between shots, as does the doorhandle.
Continuity mistake: When Bugs puts the lipstick on the plunger, he is holding a lipstick holder in his right hand. In the next shot, the holder has disappeared.
Continuity mistake: When lawyer Goodwill is in the secret laboratory, he picks up a bottle that has "Jekyll and Hyde Juice" written on the label, but when we see him with the bottle in the next shot, the words have disappeared.
Character mistake: When the Level 3 Sentry gun is revealed on the right of the screen and fires a rocket barrage to the left, you hear it explode as the Engi looks over. You then hear Scout scream "My arm!" really loud. Then an disembodied arm falls in front of Engi with a plop. However, this arm is from the character model of Sniper, not Scout. (00:00:45)
Continuity mistake: When the Coyote is pursuing the Road Runner at the start of the cartoon, he is holding a fork in his left hand and a knife in his right. But when we see the Coyote a few seconds later, he is now holding the knife in his left and the fork in his right.
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 Rocky says his prayers and gets into bed, he has a gun belt around his nightshirt. But when he jumps out of bed after seeing Bugs, the gun belt has disappeared.
Continuity mistake: When Oliver produces two apples as part of the plan to help him and Stan escape from prison, you can see that he is holding the apples with his fingers under them, but the next shot shows Oliver holding the apples with his fingers around them.
Continuity mistake: In the scene just before the snowman comes to life, the clock in the hallway reads midnight. But a little later, when he is showing the snowman around the house and he is about to lead him upstairs, the clock reads 8:05.
Continuity mistake: In this first Mr. Magoo animated short, Waldo is playing a four-string banjo. Throughout the cartoon, the number of strings keeps changing. Sometimes there are three and sometimes there are only two.
Continuity mistake: When the kitten comes out of the can at the start, the can has "Salmon" written on it, but in the next shot that has disappeared.
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 Porky inspects Prissy for eggs, you can see that the nest to her has nothing on the wall, but when Porky threatens Prissy to lay an egg, a sign with "Daphne" on it has appeared.
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: After Tom says goodbye to his friends, he goes to sleep on the window ledge. At this point, you can see it's night time, but when we see him sleeping from inside the house in the next shot, it is daylight outside.
Continuity mistake: When Spike grabs Tom's whiskers and threatens him, the background behind them changes from a fence to blue sky between shots.
Continuity mistake: When Oliver hears Stan's accident whilst trying to break through a window, he is holding a crowbar in his left hand, but in the next shot the crowbar is now in his right hand.
Continuity mistake: When Prissy's son is writing an equation on how to throw the baseball, he is writing it on the grass. But when we see a close-up of the equation, he is writing it on plain ground.
Continuity mistake: When Jeannie is on the settee talking on the telephone, the cord is missing in some shots.
Continuity mistake: Oliver Jr. is soaked when he falls into the bathtub, but when he is boxing with Stan Jr. he now appears to be completely dry.