During the credits shows us what happend to Jimmy's teacher Ms. Fowl after he shrunk her in the beginning of the movie. She is seen riding a worm to the cafeteria.
before the credits, Jimmy's parents mistake Jimmy's burping soda for real soda and keep burping 'til the credits roll.
on the credits, "Blitzkrieg Bop" is misspelled "Blitzkreig Bop".