Continuity mistake: When Jerry launches his egg carton, there are initially three light bulbs in the back, but when he releases the bulbs, there are now four.

The Yankee Doodle Mouse (1943)
Directed by: William Hanna, Joseph Barbera
Continuity mistake: When the light bulbs are going to fall on Tom, you can see there is a crate beside him but in the next shot the crate disappears.
Trivia: The first Tom and Jerry cartoon to win an Academy Award for Best Animated Short Film.




