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: 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: The sign on the door at the beginning of the cartoon initially reads "Goode and Korny Talent Agents", but in the next shot it now says just "Goode and Korny".
Continuity mistake: When the old man asks Bugs why Steve Brody jumped off the Brooklyn Bridge, the position of Bugs' carrot on the plaque changes between shots.
Continuity mistake: When we see the injured dogs at the end of the short, there are five dogs on the stretcher and one dog carrying it at both ends, making it a total of seven dogs. When the dogs run up to the window to see the celebration at the kennels, there are now only six.
Continuity mistake: When the coyote is tossing the boomerang up and down, his tail keeps disappearing and re-appearing.
Continuity mistake: When Bugs Bunny is sitting on the roof at the start of the concert, you can see there is nothing beside him, but just a couple of seconds later a mallet appears out of nowhere.
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".
Audio problem: When Elmer grabs his gun and says "Ooh, I should have known better!" his mouth doesn't move.
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: 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: 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 the City Wolf hits the Country Wolf with his baseball bat, the bat he is holding has an oval shape on it. When the City Wolf says "Control yourself, cousin!" in the next shot, the oval shape has disappeared.
Continuity mistake: When the delivery man comes to the door with Porky's canary (Charlie Dog), the front door handle has a keyhole with it, but when Porky throws Charlie out of the house, there is no keyhole.
Continuity mistake: When the millionaire is addressing Spike and Droopy at the beginning of the cartoon, you can see his briefcase is at the right hand corner of the table. In the next shot, the briefcase is now in front of the millionaire.
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 Tweety is running away from Sylvester, he hides in a tube of "Badminton Birds." When Sylvester comes around the corner, you can see there is a racquet next to the tube, but when we see Tweety coming out of the tube in the next shot, the racquet has disappeared.
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: When the mouse (hidden in a vase) tiptoes on the table at the start of the short, the bread on the plate is initially pointing up, but in the next shot it is pointing down.
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.