Plot
Best friends George and Harold — along with their classmates and tyrannical principal — are recruited for a mysterious mission in outer space.
Cast
Nat Faxon
as Captain Underpants / Mr. Krupp (voice)
Jay Gragnani
as Harold (voice)
Ramone Hamilton
as George (voice)
Sean Astin
as Narrator (voice)
Peter Hastings
as Comic Narrator (voice)