Discover
The boys travel back in time to stop Mr. Krupp from becoming a bully, only to find that their plan has turned him into a ruthless businessman.
Original Release
07/13/2018
US Release
07/13/2018
Cast
| Name | Character |
|---|
| Nat Faxon | Captain Underpants / Mr. Krupp |
| Jay Gragnani | Harold |
| Hyun-Ah Sung | George |
| Sean Astin | Narrator |
| Jorge Diaz | Melvin |
| Evan Kishiyama | Steve 'Gooch' Yamaguchi |
| Erica Luttrell | Erica |
| Tudi Roche | Bernice Krupp |
| Peter Hastings | Comic Narrator |
Writers
Cast
| Name | Character |
|---|
| Nat Faxon | Captain Underpants / Mr. Krupp |
| Jay Gragnani | Harold |
| Hyun-Ah Sung | George |
| Sean Astin | Narrator |
| Jorge Diaz | Melvin |
| Evan Kishiyama | Steve 'Gooch' Yamaguchi |
| Erica Luttrell | Erica |
| Tudi Roche | Bernice Krupp |
| Peter Hastings | Comic Narrator |
Producers
| Name | Role |
|---|
| Peter Hastings | Executive Producer |
| Dav Pilkey | Executive Producer |
| Chris Prynoski | Executive Producer |
| Shannon Prynoski | Executive Producer |
| Ben Cawood | Producer |
| Todd Grimes | Producer |
| Ben Kalina | Producer |
| Peter McCown | Producer |
Editors
