Best friends George and Harold — along with their classmates and tyrannical principal — are recruited for a mysterious mission in outer space.
Directed by Peter Hastings
User score
17 votes
Ended
July 10, 2020
20m
1 · 6 episodes
English
Nat Faxon
Captain Underpants / Mr. Krupp (voice)
Jay Gragnani
Harold (voice)
Ramone Hamilton
George (voice)
Sean Astin
Narrator (voice)
Peter Hastings
Comic Narrator (voice)
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