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: When Ralph is walking up the steps to his apartment, he has a present in his right hand. The present disappears when he goes through the doors, but re-appears when he enters the kitchen.
Continuity mistake: When Elmer is stabbing Bugs' hole with his spear, there are rabbit tracks around the hole. But when Elmer says "I'm going to kill the wabbit!" the rabbit tracks have disappeared.
Continuity mistake: When Bugs is trussed like a roast pig, the Tasmanian Devil puts salt and pepper on him and he leaves the salt shaker on the tree stump next to Bugs. But when the Devil unties Bugs later on, the salt shaker has disappeared.
Continuity mistake: When the mouse is serenading the female mouse with his guitar, she throws down a flower at him and there is only one leaf on the stem. But when Speedy Gonzales comes along and takes the flower, there are now three leaves on the stem.
Continuity mistake: When Quackie catches up with the mysterious man at the railway station, he walks up to the carriage of the train and you can see there is nothing on the carriage, but in the next shot writing appears.
Continuity mistake: When we first see Daffy, there is a post box and a doormat by the pond where he is reading his newspaper. But when the Tasmanian Devil arrives, the post box and doormat have gone.
Continuity mistake: When Bugs is performing his juggling act, he is juggling with four balls. But when the balls fall into his hat, there are now five.
Continuity mistake: When Sylvester is unable to sleep at night, the camera pans in on his eyes and you can see that he has his head on the pillow when this happens, but in the next shot he is lying flat out on the bed.
Continuity mistake: When Hassan is trying to remember the magic word to open the cave door, you can see there is a burrow tunnelling under the entrance, but when we return to Hassan trying to remember the word later on, the burrow has disappeared.
Continuity mistake: When the three pigs are listening to the wolf playing his trumpet in Hell, the position of the double bass behind the pig who is playing the piano changes between shots.
Continuity mistake: When Tom is placing a chicken under Spike's arm, Jerry takes a photo and you can see a trail of fake paw marks. When Jerry emerges from the dark room with copies of the photo, he takes one copy from the pile and has a look at it, but the picture shows no paw marks at all.
Continuity mistake: When Yosemite Sam says "I dares" to Bugs, you can see there is nothing behind Bugs, but in the next shot he is standing in front of a mountain.