Best friends George and Harold scheme together a number of pranks at school involving their principal, whose alter ego is a superhero they created called Captain Underpants
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday and its a huge success
Christmas gets weird really weird after George and Harold go back in time to change up a few of their beloved holidays traditions
Fourth grade friends George and Harold have a shared love of pranks and comic books and turning their principal into an undies wearing superhero