Handlung
Die befreundeten Viertklässler George und Harold lieben Comicbücher und spielen gern Streiche. So verwandeln sie ihren Rektor in einen Superhelden in Unterwäsche.
Staffeln
Hauptdarsteller
Nat Faxon
Captain Underpants / Mr. Krupp (voice)
Jay Gragnani
Harold (voice)
Ramone Hamilton
George (voice)
Sean Astin
Narrator (voice)
Peter Hastings
Comic Narrator (voice)
Jorge Diaz
Melvin (voice)
Dayci Brookshire
Jessica / Dressy (voice)
Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice)
Erica Luttrell
Erica (voice)
Laraine Newman
Ms. Ribble (voice)
David Koechner
Mr. Meaner (voice)
Patty Mattson
Miss Anthrope (voice)
Clancy Brown
Mr. Ree (voice)
Eric Bauza
Rap Talkwell (voice)
Kevin Michael Richardson
George's Dad / Dune Buggy (voice)
Mindy Sterling
Melvin's Mom (voice)
Nolan North
Cash Networth / Salamangler (voice)
Tress MacNeille
Ms. Hurd (voice)
Maggie Wheeler
Lunch Lady (voice)
Trevor Devall
Smartsy Fartsy (voice)
Fred Tatasciore
Keithicus / Rippedicus / Guardicus (voice)
Max Koch
Hank (voice)
Steve-O
Lane Junkston (voice)
Maurice LaMarche
Tubbadump (voice)
Kari Wahlgren
Mayor Hoppy McChapper (voice)
Stephen Root
Mr. Fyde / Avacadwoe / Hush Muffleman (voice)
Brennan Murray
Bo Hweemuth / Claylossus (voice)
Jim Rash
Señor "Jerry" Citizen (voice)
John DiMaggio
Smelly Socktopus / Suds Latherman (voice)
Rob Riggle
Theodore 'Ted' Murdsly (voice)
Tudi Roche
Bernice Krupp (voice)
Paul Rugg
Vert Ladderfeller III / Altitooth / Bivouac Ladderfeller (voice)
Lewis Black
Ragely J. Snarlingtooth (voice)
Thomas F. Wilson
Major Messy / Camoflush (voice)
Dawn Wells
Gumbalina Toothington (voice)
Toby Huss
Caesar / Cruelius Sneezer (voice)
