Continuity mistake: In the scene where Mary is eating her oatmeal while Martha is talking to her, take a look at Martha. While talking to Mary she spits out a piece of bread she was eating and this causes the little girl who plays Mary to momentarily slip out of character and smile (almost ready to laugh).
Continuity mistake: In the scene where Jo comes home from New York and sees Beth sick on the sofa, she gives Beth a music box. Beth opens the lid to the music box and in the next shot, the camera is pulled back and Beth opens the lid again.
Continuity mistake: When Bugs is at the theatre, you can see he a man sitting next to him when he finds his binoculars, but when Bugs sees Elmer in front of him, we cut back to Bugs and the man next to him has disappeared.
Continuity mistake: When the announcer tells Droopy and the wolf about the prize they can have if they win the bullfight, there is a red wall behind the announcer that keeps disappearing and re-appearing between shots.
Continuity mistake: After Reginald Fox ties up the dog in the bag, his monocle is on his left eye, but when he answers the door in the next shot, the monocle is now on his right eye.
Continuity mistake: In this first Mr. Magoo animated short, Waldo is playing a four-string banjo. Throughout the cartoon, the number of strings keeps changing. Sometimes there are three and sometimes there are only two.
Continuity mistake: When Junior is reading the back page of his father's newspaper during breakfast at the start of the cartoon, the page has "Bugs Bunny Comics" at the top of it, but when Papa Bear puts his hand through the newspaper to hit Junior and tell him to eat his oatmeal, the page now just says "Comics".
Continuity mistake: Mr. Toad is wearing salmon-colored trousers and riding a horse. As they stop to watch a "motor car" pass by, Toad's trousers are grey. After the car has passed, they are once again salmon.
Continuity mistake: When Spike grabs Tom's whiskers and threatens him, the background behind them changes from a fence to blue sky between shots.
Continuity mistake: At the beginning of the cartoon, the perfume shop seller has a flower in his right hand while riding on his bicycle, but in the next shot the flower has disappeared.
Continuity mistake: After Tom has torn up Jerry's diary, you can see that the pie is next the hole of Jerry's home, but when Jerry comes around the corner and sees Tom, the pie is now positioned near Tom's foot.
Continuity mistake: When Bugs lights the stick of dynamite, he is holding the stick with both hands. But when we see him peering behind the post in the next shot, he is holding it with one hand.
Continuity mistake: Throughout the cartoon, Giovanni Jones's hair is blonde, but when he emerges from the rubble at the end of the concert, his hair is now reddish.
Continuity mistake: When the turtle who says he is "The Man with 1000 Voices" is standing at Porky's desk, you can see he has his hat in his hand, but in the next shot he is wearing his hat on his head.
Continuity mistake: Before Elmer's two dogs shake hands on agreeing to catch Daffy, one of them draws a diagram which is a dotted line and a circle with a cross in it. After the two dogs run into a tree, they go back to their meeting point and this time the diagram is completely different to the one drawn before.
Continuity mistake: When the Coyote has finished painting the tunnel on the rock face, the pots of paints have brushes in them. When we see the Coyote amazed after seeing the Road Runner running directly through it, the pots of paint beside him have no brushes.
Continuity mistake: When we first see the tree hut at the start of the cartoon, you can see there is nothing by the top left corner of the window, but when the camera pans in on the hut, a blue piece of paper has appeared.
Continuity mistake: When Colonel Shuffle starts chasing Bugs after he tricked him into thinking his pistol was full of water, Shuffle is holding his pistol in his right hand. When we see Shuffle chasing Bugs on the deck in the next shot, he is holding the pistol in his left hand.
Continuity mistake: When Bugs dons his top hat and tails and tells the penguin, "I've always wanted a nice long formal vacation", he takes the penguin by his left hand. When the two are walking along in the next shot, Bugs is now holding the penguin in his right hand.
Continuity mistake: After Tom has drunk a bucket of water, the baby woodpecker pecks inside his stomach and water then seeps out through tiny holes in his body. At this point, you can see Tom is completely surrounded by water, but when Jerry knocks Tom's tail in the next shot, the water has disappeared.