Continuity mistake: When Sam points his gun at Bugs at Fort Knox, he says "But I can't take any chances!" and throws away the gun. In the next shot, the gun is back in his hand again.
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 the little dog throws items from the cabinet down to Spike, Spike catches two trays of glasses, a yellow vase with his right foot and a pink teapot with his left foot. But when Spike goes out of the house after a pepper pot lands on his nose, the vase and teapot have changed positions.
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.
Continuity mistake: When Jerry is removing the nail from Spike's foot with a hammer, the distance of the wall behind Spike changes between shots.
Continuity mistake: At the beginning of the cartoon, you can see that the top part of Tweety's cage is small but in the next shot has increased in size.
Continuity mistake: When the orange kitten and the brown kitten attend to Tom after they knocked him out by hitting his head on the ceiling, the eyebrow over the orange kitten's right eye disappears for a few seconds.
Continuity mistake: When the captain lifts the lid and finds that Jerry has been eating his pancakes, you can see there is a knife behind the plate, but when we see a close-up of Jerry in the next shot, the knife has disappeared.
Continuity mistake: When we first see Bugs' hole, you can see there are three carrot ends around it. After the dogs run over the hole, there are now only two carrot ends, and when the hunters pass over the hole, there are now three.
Continuity mistake: Before Mickey Mouse puts Pluto's birthday cake on the table you can see it is completely clear, but when Pluto is sitting down and the cake is in front of him, a saucer has suddenly appeared.
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: When Wile E. Coyote is admiring his new mechanical lady rabbit, you can see that the rabbit has no left hand, but when we see the back of the rabbit in the next shot, a left hand has suddenly appeared.
Continuity mistake: When Tom (dressed as a seal) performs "Yankee Doodle" on the horns at the circus at the end of the cartoon, the background behind him changes between shots.
Continuity mistake: When Sam jumps out of the plane with his parachute, you can see the money bag he is holding has a "$" sign on it. But when we see Sam falling in the next shot, the "$" sign is missing.
Other mistake: In the opening credits, Lloyd Vaughan's surname is misspelt as "Vaughn."
Continuity mistake: When Elmer Fudd shoots Daffy Duck after he says "Shoot me now!", the background behind Daffy changes between shots.
Continuity mistake: When we see Daffy Duck all stuffed and on the mantelpiece, the time on the clock reads 5.35. But when all the other ducks fly on the window ledge and look through the window, the time is now 4.35.
Continuity mistake: When the oil tycoon tells Maverick to lower him down into Bugs' hole, the oil tycoon's body disappears for a few frames.
Continuity mistake: When Dale is on the Christmas tree, he takes a green ball and throws it at Pluto. But in the next shot, Pluto catches a red ball, followed by a green ball.
Continuity mistake: When the bandit takes Droopy's wallet, he empties the contents and finds a photo of Droopy's girl. At this point, you can see the bandit is holding the photo with two hands, but when we see a close-up of the photo in the next shot, he is holding it with only his right hand.