Continuity mistake: When Jerry launches his egg carton, there are initially three light bulbs in the back, but when he releases the bulbs, there are now four.
Continuity mistake: When the mice are serving the cat, there is a mouse who is taking the cat's order and he drops his notepad on the floor when he says "Mouse?" and runs off. But when we see a full view of the cat and the mice in the next shot, the notepad is nowhere to be seen.
Continuity mistake: When Mr Pig is speaking to his baby son in the cot, the headboard of the cot is initially coloured white, but in the next shot it is now grey.
Continuity mistake: When Daffy is playing "I'm A Cowboy" with Porky, he falls off Porky with his cowboy hat on, but when Daffy crashes into the safe, his hat has disappeared.
Continuity mistake: When we see Mr Meek with his axe at the beginning of cartoon, you can see there is nothing in the fence beside him, but in the next shot, wire fencing has suddenly appeared.