Fourth-grade friends George and Harold have a shared love of pranks and comic books -- and turning their principal into an undies-wearing superhero.
Nat Faxon
as Captain Underpants / Mr. Krupp (voice)
Jay Gragnani
as Harold (voice)
Ramone Hamilton
as George (voice)
Sean Astin
as Narrator (voice)
Peter Hastings
as Comic Narrator (voice)
Jorge Diaz
as Melvin / Melvinborg (voice)
Dayci Brookshire
as Jessica / Dressy (voice)
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Episode 17
Episode 18
Episode 19
Episode 20
Episode 21
Episode 22
Episode 23
Episode 24
Episode 25
Episode 26
Episode 27
Episode 28
Episode 29
Episode 30
Episode 31
Episode 32
Episode 33
Episode 34
Episode 35
Episode 36
Episode 37
Episode 38
Episode 39
