© 2026 The Couch Critic
Status
Ended
Release
2018 - 2019
Seasons / Eps
3 / 39
Streaming availability by country
Fourth-grade friends George and Harold have a shared love of pranks and comic books -- and turning their principal into an undies-wearing superhero.
36 Cast Members
Nat Faxon
Captain Underpants / Mr. Krupp (voice)
39 Episodes
Jay Gragnani
Harold (voice)
39 Episodes
Ramone Hamilton
George (voice)
39 Episodes
Sean Astin
Narrator (voice)
39 Episodes
Peter Hastings
Comic Narrator (voice)
39 Episodes
Jorge Diaz
Melvin (voice)
26 Episodes
Dayci Brookshire
Jessica / Dressy (voice)
39 Episodes
Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice)
39 Episodes
Erica Luttrell
Erica (voice)
5 Episodes
Laraine Newman
Ms. Ribble (voice)
3 Episodes
David Koechner
Mr. Meaner (voice)
2 Episodes
Patty Mattson
Miss Anthrope (voice)
4 Episodes
Clancy Brown
Mr. Ree (voice)
3 Episodes
Eric Bauza
Rap Talkwell (voice)
1 Episodes
Kevin Michael Richardson
Diddlysaurus / The Schmoozer (voice)
1 Episodes
Mindy Sterling
Melvin's Mom (voice)
2 Episodes
Nolan North
Cash Networth / Lee Dingman (voice)
1 Episodes
Tress MacNeille
Ms. Hurd / DJ Drowsy Drawers (voice)
1 Episodes
Maggie Wheeler
Ms. Yewh / TP Mummy (voice)
1 Episodes
Trevor Devall
Smartsy Fartsy (voice)
2 Episodes
