Continuity mistake: When Sam falls out of the plane after Bugs pulled the cord, Sam panics and he is drops his guns in the process. But when Sam tells Bugs he is taking over the plane, his guns have suddenly re-appeared.
Continuity mistake: When the green devil recalls the time Tom serenaded another girl with his big bull fiddle, his whiskers disappear for a moment.
Continuity mistake: When Jerry is removing the nail from Spike's foot with a hammer, the distance of the wall behind Spike changes between shots.
Continuity mistake: When the orange kitten and the brown kitten attend to Tom after they knocked him out by hitting his head on the ceiling, the eyebrow over the orange kitten's right eye disappears for a few seconds.
Continuity mistake: When the captain lifts the lid and finds that Jerry has been eating his pancakes, you can see there is a knife behind the plate, but when we see a close-up of Jerry in the next shot, the knife has disappeared.
Continuity mistake: When we first see Bugs' hole, you can see there are three carrot ends around it. After the dogs run over the hole, there are now only two carrot ends, and when the hunters pass over the hole, there are now three.
Continuity mistake: When the kitten comes out of the can at the start, the can has "Salmon" written on it, but in the next shot that has disappeared.
Continuity mistake: When Tom (dressed as a seal) performs "Yankee Doodle" on the horns at the circus at the end of the cartoon, the background behind him changes between shots.