Discover
The boys use Melvin's new animal hybrid invention to make a creature that's a cross between a butt and a fly. But these butt-erflies are real monsters!
Original Release
02/08/2019
US Release
02/08/2019
Cast
| Name | Character |
|---|
| Nat Faxon | Captain Underpants / Mr. Krupp |
| Jay Gragnani | Harold |
| Hyun-Ah Sung | George |
| Sean Astin | Narrator |
| Dayci Brookshire | Jessica |
| Jorge Diaz | Melvin / Melvinborg |
| Evan Kishiyama | Steve 'Gooch' Yamaguchi |
| Mindy Sterling | Melvin's Mom |
| Peter Hastings | Comic Narrator |
Directors
Octavio E. Rodriguez, Todd Grimes
Writers
Mark Banker, Sindy Boveda-Spackman, Daniel Dominguez
Cast
| Name | Character |
|---|
| Nat Faxon | Captain Underpants / Mr. Krupp |
| Jay Gragnani | Harold |
| Hyun-Ah Sung | George |
| Sean Astin | Narrator |
| Dayci Brookshire | Jessica |
| Jorge Diaz | Melvin / Melvinborg |
| Evan Kishiyama | Steve 'Gooch' Yamaguchi |
| Mindy Sterling | Melvin's Mom |
| Peter Hastings | Comic Narrator |
Producers
| Name | Role |
|---|
| Peter Hastings | Executive Producer |
| Chris Prynoski | Executive Producer |
| Shannon Prynoski | Executive Producer |
| Todd Grimes | Producer |
| Ben Cawood | Producer |
| Winnie Chaffee | Producer |
| Kevin Gamble | Producer |
| Brent Hutchins | Producer |
| Ben Kalina | Producer |
| Peter McCown | Producer |
