Continuity mistake: The snowman hits his nose with a hammer, completely bending it in half. In the next shot it is suddenly magically straight again.
Continuity mistake: When we see from Tom's view the fridge he is going to crash into, you can see the cheese is on the second shelf, but when he crashes into the fridge, it has moved to the top shelf.
Continuity mistake: When Porky is lighting the candles on the cake at the beginning of the cartoon, the position of the candles change between shots.
Continuity mistake: When the inebriated cuckoo pops out of the cuckoo clock at the beginning of the short, his feet are yellow, but when we see a close-up of the cuckoo in the next shot, his feet are now orange.
Continuity mistake: When Sylvester's owner tells him that she will get into the hotel, you can see that she is wearing a brooch on her shirt. But when she is carrying Sylvester around her neck in the next shot, the brooch has vanished.
Continuity mistake: When Tom traps Jerry in the blinds, he pulls the cord and squashes Jerry. At this point, you can see Tom is holding the cord, but when we Jerry sliding down the blinds in the next shot, Tom is no longer holding the cord.
Continuity mistake: When Rocky is reading his "Life" magazine at his headquarters, the first shot shows him reading the front cover but immediately after that he is reading the magazine with the pages open.
Continuity mistake: When we see Tweety singing, you can see that the bottom of his cage has nothing on it, but when we see Sylvester next to the cage, a door has appeared.
Continuity mistake: When Bugs is standing in front of the General's desk, the General has nothing in his left hand but in the next shot he is now holding a pencil.
Continuity mistake: When the announcer tells Droopy and the wolf about the prize they can have if they win the bullfight, there is a red wall behind the announcer that keeps disappearing and re-appearing between shots.
Continuity mistake: When Bugs is at the theatre, you can see he a man sitting next to him when he finds his binoculars, but when Bugs sees Elmer in front of him, we cut back to Bugs and the man next to him has disappeared.
Continuity mistake: When we see Toodles in the window of her bedroom, the shutters have nothing on them, but in a close-up in the next shot, hooks have suddenly appeared.
Continuity mistake: During the slow-motion sequence, Speedy slams the mallet on the cat's paw and leaves the mallet on the ground when he rescues the mouse. When he puts a stick of dynamite on the cat's tongue, the mallet has gone.
Continuity mistake: A full school day passes from when Lulu is first at school to get her fishing pole and to when she returns after awakening from being knocked out. It even looks darker from time passing. But the shadow of the tree is exactly the same, when the moving of the sun would have changed that. (00:01:55 - 00:07:10)
Continuity mistake: In the opening credits when the title comes up, there is a picture of Mater beside it with the Ghostlight after him. Mater has his right headlight still intact. But during the film, he loses his remaining right headlight moments before he is scared by the lightning bug, before the Ghostlight ever gets to him. (00:00:10 - 00:04:10)
Continuity mistake: When the lion roars at the sleeping cat, trying to wake it, the hair in his mane next to his right hand keeps flickering in and out of frame and existence. (00:04:30)
Continuity mistake: When Daffy enters Bugs' living room wearing a rabbit costume, you can see the door is plain green. But when Elmer Fudd enters to confront Daffy, the door is now divided into three sections.
Continuity mistake: Searching for Spunky, Hunky skids to a stop when he sees a sign and looks up at it. Then it cuts to a close up of the sign reading QUIET Hospital Zone. Between shots, the sign becomes redder, and it appears the word Hospital becomes shorter, and other aspects of the sign change. (00:05:50)
Continuity mistake: When Butch is chasing Tom, Tom puts a flowerpot on a swing which crashes into Butch and it leaves earth on the floor. But when Butch uses a guitar to spank Tom when he comes down on the swing, the earth has completely disappeared.
Continuity mistake: When Minnie Mouse falls down on the pillow whilst attempting to skate, the pillow bursts and covers Mickey with feathers. When Mickey goes off skating you can see nothing surrounding the pillow, but when we return to Minnie later on, there are now a lot of feathers around it.