Continuity mistake: As Gromit tries to get to the window with the bomb, he is stopped by being hit hard with a large metal oven paddle which swings in from his front right side. When we see Piella holding it, there is a Gromit-shaped dent in it, but it is dented the wrong way, bulging outward on the side he was hit with instead of indented.
Deliberate mistake: When all the thumbs are at the wall saying "I'm the king of the globe" and "I'm a dentist" you cannot see their legs, so that saved some costume work.
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.
Factual error: The raiding party approaches the French ship in small boats without using muffled oars which was a must to approach silently. Oars were wrapped with cloth to deaden the sound.
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: 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)
Other mistake: In the opening credits, Manuel Perez's first name is misspelled as "Manual."
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 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 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: 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: Hunky takes off chasing the truck that took Spunky and tries to save him, but then trips and slides on his face and belly on the ground, coming to a stop. There is a large rock beside him. When the camera changes angles, the rocks design changes significantly. (00:01:40)
Continuity mistake: Before Mickey takes the bucket and leans out of the window to get some water, the lid of the coffee pot is closed. But after he has collected some water, the lid of the pot is now open.
Continuity mistake: When the green devil recalls the time Tom serenaded another girl with his big bull fiddle, his whiskers disappear for a moment.
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: After Bugs Bunny has snipped off Elmer Fudd's pants suspender buttons, you can see Elmer's gun is directly behind him. But when Elmer picks up his gun to try and shoot Bugs, the gun is now by his foot.
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 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 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.
Continuity mistake: When Poochini is rehearsing, Mysto the Magician knocks on the door of his dressing room. At this point, you can see that the handle is on the left hand side of the door, but when Poochini opens the door, he opens it from the right hand side.