We don't have a summary for Season 1 yet. Hang in there, or go ahead and contribute one.
Season Main Cast
Nat Faxon
voices Captain Underpants
Jay Gragnani
voices Harold
Ramone Hamilton
voices George
Sean Astin
voices Narrator
Peter Hastings
voices Comic Narrator
Jorge Diaz
voices Melvin
Secunda Wood
voices Moxie Swaggerman
Dayci Brookshire
voices Jessica
Dayci Brookshire
voices Dressy
Erica Luttrell
voices Erica
Nolan North
voices Jet Wingman
Secunda Wood
voices Hailey Comett
Peter Hastings
voices Garg
Jorge Diaz
voices Stanley Peet
David Koechner
voices Mr. Meaner
David Koechner
voices Sqworg
Brennan Murray
voices Bo Hweemuth
Patty Matson
voices Miss Ainthrope
Jorge Diaz
voices Mr. Rected
Jorge Diaz
voices Marvin
Sean Astin
voices Uncle Dan
Dayci Brookshire
voices Hypnosinger
Nat Faxon
voices Captain Pandernuts
Jay Gragnani
voices Dohlar
Ramone Hamilton
voices Greego
Sean Astin
voices Abraham Lincoln
Jorge Diaz
voices Livmen
Jorge Diaz
voices Stewart
Jorge Diaz
voices Statrew
David Koechner
voices Mr. Nearme
Erica Luttrell
voices Arice
Laraine Newman
voices Elbrib
Secunda Wood
voices Xemio
Sean Astin
voices Mr. Gigglenose