Best friends George and Harold — along with their classmates and tyrannical principal — are recruited for a mysterious mission in outer space.

Fourth-grade friends George and Harold have a shared love of pranks and comic books — and turning their principal into an undies-wearing superhero.

When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday — and it’s a huge success!

Christmas gets weird – really weird – after George and Harold go back in time to change up a few of their beloved holiday’s traditions.