Visible crew/equipment: When the acrobatic witness lifts Adam in the air, you can see the wires that really lifted him up.
Continuity mistake: When Harpo is playing Russian Roulette, one of the villains claims that the gun has "four bullets" in it. One shot is fired at Harpo, and four by him, totaling five shots.
Visible crew/equipment: A wire is visible, attached to Lady Agatha d'Ascoyne's hot air balloon, as it sails across the screen. (00:55:10)
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: During the poker game, the Colonel says "I've got five aces" and he lies down his cards in front of him. You can see that next to the Colonel there is half a coin and a pack of playing cards. When Bugs says "I've got six aces, sir." he takes the half-coin away from the Colonel, but the Colonel's cards and the pack of playing cards have disappeared.
Continuity mistake: After the ill-received Al Jolson impersonation, Milton Berle gets paid only 5 bucks instead of 50. He asks the manager "What are you doing, putting 45 in your own pocket?" as several not so reassuring individuals begin to crowd him. Notice a balding guy with a white shirt and pattern tie; he puffs out smoke as he arrives, but at the cut he is still chewing on his cigar and immediately blows smoke again.
Continuity mistake: When the coyote is tossing the boomerang up and down, his tail keeps disappearing and re-appearing.
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: After Porky ties up the mailbag with Charlie Dog in it, he is holding the bag vertically, and puts the label "to Scotland" on it. When Porky goes in the house, Charlie is standing by the bag which is lying horizontally, and the label is affixed differently.
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 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 the bee sees Donald's eyes in front of him, you can see there is nothing behind him on the table he is walking on, but in the next shot a wooden box appears out of nowhere.
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: 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 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 Bugs spins the diving board around after he has put on his bathing suit, you can see the handles of the ladder in front of him when he dives off, but when we see Bugs pretending to take the dive, the handles have disappeared.
Continuity mistake: When Pluto sees the bubble gum machine, you can see that the slide lever is positioned on the left of the machine. In the next shot it is now on the right, and in the shot after that, it is back in its original position.
Continuity mistake: When the grasshopper is performing his audition at the start of the cartoon, you can see there is nothing by the door, but when the door opens and the grasshopper appears, a spittoon and a cigarette end have appeared.
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.