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 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 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 Wile E. Coyote closes the hatch on the explosive female rabbit, his left leg disappears for a split-second.
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 Bugs is eating his carrot and the large hunting dog starts sniffing on the ground, there is nothing in the background. But in a close-up of Bugs in the next shot, trees have appeared.
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 Pluto takes the name plate off his kennel, he puts it into a bowl and takes it to the table. At this point, you can see that there is a dish and a name card saying "Jerry" next to him, but a few seconds later Jerry's name card and the plate have disappeared.
Continuity mistake: When a postman comes along with a parcel for Granny, he puts it in a postbox by the front gate of Granny's home. The postbox was not there previously when Granny collected Tweety Pie from the delivery man earlier in the cartoon.
Continuity mistake: When the kitten comes out of the can in the opening shot, she sits down and starts licking her arm. In the next shot, she is now much further away from the can.
Continuity mistake: When Sam confronts Bugs underneath the box with the cord, you can see that there is nothing above the words "Pull", but in the next shot the words "Bomb Release" suddenly appear.
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.
Other mistake: In the opening credits, Lloyd Vaughan's surname is misspelt as "Vaughn."
Continuity mistake: When Daffy Duck is on the windowsill at Porky Pig's house, the windows are initially misted, but in the next shot they are now perfectly clear.
Continuity mistake: When Daffy Duck is printing fake rabbit tracks at the beginning of the cartoon, he puts two tracks next to Bugs Bunny's hole. But when Elmer Fudd arrives at the hole, the two tracks have disappeared.
Continuity mistake: When we first see Bugs' home at the beginning of the short, there are four carrot ends around the hole. When the oil tycoon and Maverick approach Bugs' home later on, there are now only two carrot ends.
Continuity mistake: Mickey Mouse uses an axe to cut down a tree for Christmas. Each chop he makes is horizontal, but when the tree falls over, the lower part of the trunk comes to a point, and the stump remaining in the ground has disappeared.
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.
Other mistake: When Sylvester is looking in the mirror whilst trying on hats, one of the hats has a price tag on it which reads $105.95. However, you can see the price numbering is the right way round - it should be back to front.