Continuity mistake: When Tweety hits Sylvester with a baseball bat while he is bouncing on the trampoline, you can see that Sylvester is positioned face down but when he lands on the trampoline in the next shot, he is now lying up.
Continuity mistake: When Daffy arrives at the theatre, there is a billboard behind him saying "Bijou Presents on Stage Tonight." But he points to the marquee in the next shot, the words have disappeared.
Continuity mistake: When we see Elmer reading his book at the beginning of the cartoon, the strap of his gun switches shoulders between shots.
Continuity mistake: When Jerry orders the baby woodpecker out of his home, you can see that Jerry's right foot is facing sideways but in the next shot it is now facing straight.
Audio problem: When the rooster says "Get out and stay out!" when he kicks the Banty Rooster into the horizon, his beak doesn't move.
Continuity mistake: When Daffy (dressed as Bugs) is fishing at the pier, there is a can beside him that keeps disappearing and re-appearing between shots.
Continuity mistake: When we see Porky and Daffy sleeping at the start of the cartoon, you can see that the light above Porky's bed has nothing on it, but when Porky goes to bed later on, the light now has a cord attached to it.
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 Bugs and Daffy leave the Emergency Hospital, Bugs has a bandage around his head and on his face, but when he emerges from the lift at the TV studios, the bandages have disappeared.
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: At the start of the shooting the balloons sequence, Spike is about to shoot and you can see the bottom shelf of the prize stand has two polar bears and two dolls. When Spike has finished his round, all of the prizes on the bottom shelf are polar bears.
Continuity mistake: When Foghorn Leghorn lifts the wired fence with his foot to let one of the chicks out, you can see there some chicks by his foot when he lowers the fence down, but in the next shot the chicks have disappeared.
Continuity mistake: When Screwy squashes the truant officer's nose with a mallet, the nose jumps off in pain and then hides under the officer's face. At this point, the truant officer is wearing a hat on his head, but in the next shot the hat has disappeared.
Continuity mistake: When we see a close-up of the meter, there is a box saying "10 Centavos for One Hour." The words were not in the box in the previous shot.
Audio problem: When we see the moth singing on his way to the bar, his mouth doesn't move.
Continuity mistake: When Donald opens the box of cigars and see a "Happy Birthday" card inside it, you can see his left hand is on the bottom left of the box, but in the next shot it is now on the bottom right.
Continuity mistake: When Elmer attempts to blow up Sylvester with dynamite, the box he is carrying does not have anything written on the side, but when he puts it down in the next shot, "TNT" has appeared.
Continuity mistake: Parker filled a beer pitcher and there was very little foam. After leaving from behind the bar, the beer pitcher was half foam. (00:20:50)
Continuity mistake: When the 21st century demolition man discovers the box containing the frog in the cornerstone at the end of the cartoon, the frog jumps out and you can behind the box there is a document. But when we see a close-up of the frog performing in the next shot, the background is now rubble identical to the first scene.
Continuity mistake: When the mouse is eating his dinner with Porky at the end, the amount of peas on his plate changes between shots.