Best friends George and Harold — along with their classmates and tyrannical principal — are recruited for a mysterious mission in outer space.
Nat Faxon
Captain Underpants / Mr. Krupp (voice)
Jay Gragnani
Harold (voice)
Ramone Hamilton
George (voice)
Sean Astin
Narrator (voice)
Peter Hastings
Comic Narrator (voice)
Higglytown Heroes
Xiaolin Chronicles
LEGO Friends Heartlake Stories
Monsters vs. Aliens
Arcane
Sai-Kyo-Oh! Zukan
Rebirth of the Sword Patriarch
Dorohedoro
Up: Upisodes
Starmon Hunter
Sophie Sweet & Friends
Jade Armor