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: When Donald is cutting on the piece of fly paper, you can see there is nothing on the table, but in the next shot a cotton thread appears out of nowhere.
Continuity mistake: When the three pigs are reading a book at the beginning of the cartoon, the front cover has "Children's Stories" on the red rectangle, but in the next shot the words have disappeared.
Continuity mistake: In a full view of the oven, inside the oven door the chicken's legs are white, but in the next shot, the legs are now brown.
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: 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: 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.
Continuity mistake: When we first see Bugs at the Opry House, you can see behind him there is a pink poster with "Frizby the Magician" on it, and on the left there is a yellow poster. But when we see Bugs in the next shot, the "Frizby" poster is now yellow, the poster on the left is now red and a "World's Strongest Man" poster has appeared on the right.
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: When the mouse is eating his dinner with Porky at the end, the amount of peas on his plate changes between shots.
Continuity mistake: When the coyote is tossing the boomerang up and down, his tail keeps disappearing and re-appearing.