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: Mrs Waggett brings in a tray with cups of tea on it while her husband is on the phone, reporting the sinking of a ship that contained hundreds of bottles of whisky. Mrs Waggett puts the tray on the left side of the screen, then, taking two cups with her, moves to the right of screen and that's where she stays when her husband finishes talking on the phone and, amazingly, the tray that was on the left side is now in her hands, without her moving to the left side to collect it.
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 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 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: Throughout the race, watch the bands on the dogs. In some shots, they have numbers on them: others they don't.
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: 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.