Continuity mistake: When the Coyote paints the landscape when preparing his "Stop! Bridge Out!" trap, he takes away his three points of paint and hides behind the sign. But when he notices the Road Runner has ran through the landscape, there is no sign of the three pots.
Continuity mistake: When Foghorn Leghorn says goodbye to Red Island Red, there is nothing in the third plank on the right of the fence. But when Foghorn says "So long, Red!" a hole has suddenly appeared.
Continuity mistake: When Elmer Fudd realises that some of the elves are missing, his elf helper steps forward and you can see behind him are the other elves. When Elmer says "What shoemaker?" we return to the elf and the other elves who were behind him have disappeared.
Continuity mistake: When Cluck Trent is using his typewriter at the beginning of the short, you can see there is nothing by the machine, but when the camera closes in on Trent, a sign saying "Cluck Trent Reporter" appears.
Continuity mistake: When we see Dorlock Holmes at his desk at the start of the cartoon, you can see that he is writing with the feather in his right hand, but in the next shot he is holding the feather with his left hand.
Continuity mistake: When Daffy (dressed as Bugs) is fishing at the pier, there is a can beside him that keeps disappearing and re-appearing between shots.
Continuity mistake: When Napoleon takes some snuff, he puts the box back on the map, but in the next shot the box is now on the table near Bugs.