Harold and George are shocked to learn that summer camp won't be the nonstop funfest they'd hoped for. Hmmm, this sounds like a job for ... tra-la-LAAA!

George and Harold have to keep their grades up to go to summer camp. But it's a tall order with Melvin -- and a cyborg Melvin -- running the school!

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