Continuity mistake: Lulu gets out of bed and races to the bathroom to "Brush her teeth." She picks up a tube of toothpaste and a toothbrush, then proceeds to brush her reflection's teeth in the mirror. She does not set down the toothpaste, and when the angle changes as she washes her face, the toothpaste has vanished, not in her hand, not on the sink. (00:01:20)
Continuity mistake: When we see Mammy sleeping in bed, her bed is beside the window. But when Tom enters the room, her bed is now beside the wall.
Continuity mistake: When Jerry is eating the banana, Tom discovers his shadow, even though Jerry is still invisible.
Other mistake: After the fade out, the "The End" board shows it as an "MGM Tom and Jerry Cartoon." The two stars were not in this short at all.
Continuity mistake: When Thomas uses a fishing rod to hoist himself up to Tweety's cage, you can see that Tweety is resting himself with his arm on the swing. But when we see Tweety in the next shot, his arm is on his chest.
Audio problem: When Bugs says to the kid, "Cut it out, kid! Somebody will get hurt!", his mouth doesn't move.
Continuity mistake: When Jerry first becomes buff after drinking some of the milk and starts approaching Tom to beat him up, Tom sees a book and grabs it then hits Jerry. Before Tom grabs the book, it's yellow. When he grabs it, it's green.
Continuity mistake: When the dogs run away from the Mexican hairless dog after thinking she's a skunk, the Mexican dog's ears are pointing up but in the next shot they are pointing down.
Continuity mistake: When Tom is tip-toeing past the gate at the start of the cartoon, Spike is sleeping and you can see there is nothing around his neck, but in the next shot a dog collar has suddenly appeared.
Continuity mistake: When Humphrey Bogart comes into the kitchen after being hit in the face by a coconut custard pie, the number of cream spots on his dinner jacket changes between shots.
Continuity mistake: When Tom realises he is drinking sea water in the bucket Jerry gave him, he drops the bucket on the towel, but when he spits the water in the girl cat's face, the bucket is nowhere to be seen.
Continuity mistake: When Butch points his pistol at Tom, you can see that the handle has nothing written on it, but in the next shot the words "Ajax" have appeared.
Continuity mistake: Bongo the bear, riding in a car of the circus train, looks out the window. There are four vertical bars on the window - but when seen from outside the train, it has six bars.
Continuity mistake: When Bugs is reading the book of Fables at the beginning of the cartoon, he turns the pages backwards.
Continuity mistake: When Jerry replaces two keys on the piano with a mousetrap, Tom gets his finger caught and there is a catch lever at the bottom of the trap. But in the next shot when Tom pulls up the mousetrap and his finger expands, the catch lever has disappeared.
Continuity mistake: When Daffy is trying to tell the businessman about the joke he heard, you can see that the bed is positioned against the wall. When Elmer comes in and tells Daffy to be quiet, the bed is now in the middle of the room.
Continuity mistake: When the cat places the tiny canary on to the plate, the salt and pepper pots on the table change positions between shots, and the cabinets in the background disappear. He also has a knife and fork in his hands, but after the canary says he's been sick, we return to the cat and the knife and fork have disappeared.
Continuity mistake: When Pluto is by the radio in the music shop, there is a record player behind him which has three buttons on the side, but in the next shot the buttons have moved a few inches to the right.
Continuity mistake: The sardine tin that the ant uses as a piano has a rectangle in the middle of the lid at the start of his act. The rectangle disappears a little later on, but when the singer is hit in the face by a banana, it is back again.
Continuity mistake: When Mickey Mouse's top hat is playing games with Pluto, you can see there is nothing in front of the book that is on the shelf of the cabinet, but in the next shot glass suddenly appears.