Continuity mistake: When Tom shoots a stream of balls to flatten Jerry, the last ball in the pack is coloured purple, but when the balls rebound off the side rail, the last ball is now a green one.
Continuity mistake: When Sam puts his pistol against Bugs' nose, you can see there is graffiti saying "The Captain is a Shnook" behind him, but after a quick cut to Bugs, we return to Sam and the graffiti has disappeared.
Continuity mistake: When we first see the "They" flag on Yosemite Sam's fort, it is completely fine. When Sam says "Ahoy, there!" there is now a hole in the top right hand corner.
Continuity mistake: Before Dinah the Dachshund enters her home, the door flap is open. In the next shot, it is closed.
Revealing mistake: Rusty Cameron makes a call from a pay telephone. He makes several movements with his index finger and the sound of the dial can be heard but the dial itself never moves.
Continuity mistake: Dr. Luther Brooks is in the changing room with Dr. Dan Wharton. During their conversation, one of the lockers behind Brooks' is open, its door quite close to him. In the close-ups though, all the lockers are closed. The shadows are also different. (00:04:00 - 00:04:40)
Continuity mistake: Jim Hawkins is stabbed in the shoulder, but when the doctor later treats and binds the wound, it has moved to his upper arm. (01:20:25)
Continuity mistake: When Bugs is square dancing with the hillbilly brothers in the hall, you can see that the hall has a decoration on the wall, but in the next shot the decoration has disappeared.
Continuity mistake: When Bugs is sitting on the bench in Central Park with the other out of work actors, he has stubble on his chin. When Bugs accepts Elmer's role as his sidekick in his vaudeville act, the stubble has disappeared.
Audio problem: When Daffy says "So long, Rembrandt!" whilst pretending to ride on a bicycle, his beak doesn't move.
Plot hole: When major Singleton challenges Brant Royle to a duel with single shot pitons, he fires one pistol, and leaves the other pistol on the bar. He then goes into his carriage and shoots himself. He only has the pistol that has already been fired.
Factual error: Waco Johnny Dean played by Dan Duryea grabs a pistol from a bystander and then gets shot multiple times by Jimmy Stewart. As Waco goes down he fires several rapid fire shots from a double action revolver. Not likely given the time period some time after the civil war.
Continuity mistake: When Porky inspects Prissy for eggs, you can see that the nest to her has nothing on the wall, but when Porky threatens Prissy to lay an egg, a sign with "Daphne" on it has appeared.
Continuity mistake: When the announcer says the Droopy and Spike have to follow the white line during the mile run, you can see that Spike's vest has a red line on the bottom. When he rubs off the white line on the track in the next shot, the red line has gone.
Continuity mistake: In the scene where Sylvester tells the bulldog to be quiet when they are in their cages, you can see there is nothing behind them, but when we see the train about to go up a hill, we cut back to Sylvester and crates have suddenly appeared.
Continuity mistake: When the Scarlet Pumpernickel is kissing Melissa Duck's hand at the inn, he is wearing his hat on his head but in the next shot he is holding the hat in his left hand. The wig stand on the table also has nothing on it, but in the next shot a wig suddenly appears.
Continuity mistake: When the construction worker sees a bird in front of him, he says "Ha!" The worker then sees the city below and falls. At this point, you can see the worker is holding his hat in his left hand, but when he falls through the first plank of wood, the hat is nowhere to be seen.
Continuity mistake: When Bugs Bunny offers to give Yosemite Sam a light when he's in the electric chair, you can see there is a piece of paper on the desk. After Sam is electrocuted, the paper on the desk disappears, and in the shot after that it is back again.
Continuity mistake: At the beginning of the cartoon, Tom lifts a flower pot to reveal a cowering Jerry. But after Tom has caught Jerry with his lasso, he pulls him back but the flower pot is nowhere to be seen.
Continuity mistake: When Porky Pig is speaking to the manager of the Ajax Broadcasting Company on the telephone, you can see Porky's bow tie is all shredded, but when he goes to see Daffy Duck in the next shot, his bow tie is now perfectly fine.