Continuity mistake: When the school house picks up a blackboard marked PIG, there are two of the giant letter blocks behind it. A red one with O and a dark purplish blue one where the letter is hidden by the walkway. But when the blackboard is knocked down and turns into a puddle of black mud, the blocks behind it are now a white block with the letter N and a light blue block with the letter L. (00:05:00)
Continuity mistake: When Jerry opens the door of the refrigerator, there is a piece of corn on the cob on a plate and next to it is a bowl of eggs. In the next shot, the eggs have become fruit.
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 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 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 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 disturbs the man by hitting the door on his room with a hammer, the man leaves and you can see that Daffy puts one of the fingers of his right hand on his beak. When we see the man going down the lift in the next shot, Daffy no longer has his finger on his beak.
Continuity mistake: When Bugs Bunny falls into the trap that Elmer Fudd prepared for him, you can see that the lump of dirt next to the hole has nothing in it, but when Elmer fills up the hole with water in the next shot, a trowel has suddenly appeared.
Continuity mistake: When Elmer is speaking to Bugs when he is in the crate of carrots in the kitchen, the doors on the freezer behind Elmer change between shots.
Continuity mistake: When Jerry is sleeping in Tom's tackle box, he takes off his dressing gown and leaves it there when Tom takes him out of the box. But when Jerry races back to the tackle box and starts shivering, the dressing gown has gone.
Continuity mistake: When Mickey Mouse is chasing his hat, he has no cane. But after falling out of the dustbin, he has the cane again and this time it is hooked.
Continuity mistake: When Thomas' mistress comes down the stairs after hearing a crash in the front room, the items on top of Thomas are different to the ones seen only a few seconds earlier.
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: When Tom is about to drop the iron on Jerry, he is holding some cheese on a piece of string in his left hand. When the iron drops on Tom's foot, he is no longer holding the string.
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 we see a man and woman sitting by a lake, the plate of pancakes on the picnic blanket moves from the left to the right between shots.
Continuity mistake: When Bugs Bunny crosses the finish line, you can see there is only grass next to the road. But in the next shot, kerbing appears out of nowhere.
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.