Discover
Original Release
03/29/1999
US Release
03/29/1999
Cast
| Name | Character |
|---|
| Spencer Klein | Arnold / Arnold (voice) |
| Dan Castellaneta | Arnold's Grandpa / Grandpa Phil (voice) |
| Baoan Coleman | Mr. Hyunh |
| Dom Irrera | Ernie Potts |
| Maurice LaMarche | Big Bob Pataki |
| Anndi McAfee | Phoebe Heyerdahl |
| Laraine Newman | Librarian / Kid With Map |
| Mary Scheer | Suzie Kokoshka |
| Francesca Marie Smith | Helga Pataki / Helga Pataki (voice) |
| Kath Soucie | Miriam Pataki |
Directors
Steve Socki, Christine Kolosov, Mike Svayko
Writers
Craig Bartlett, Joe Ansolabehere, Steve Viksten, Michelle Lamoreaux, Joseph Purdy
Creators
Cast
| Name | Character |
|---|
| Spencer Klein | Arnold / Arnold (voice) |
| Dan Castellaneta | Arnold's Grandpa / Grandpa Phil (voice) |
| Baoan Coleman | Mr. Hyunh |
| Dom Irrera | Ernie Potts |
| Maurice LaMarche | Big Bob Pataki |
| Anndi McAfee | Phoebe Heyerdahl |
| Laraine Newman | Librarian / Kid With Map |
| Mary Scheer | Suzie Kokoshka |
| Francesca Marie Smith | Helga Pataki / Helga Pataki (voice) |
| Kath Soucie | Miriam Pataki |
| Steve Viksten | Oskar Kokoshka |
| Jordan Warkol | Jamie / Chocolate Boy |
| Jamil Walker Smith | Gerald Johanssen (voice) |
| Justin Shenkarow | Harold Berman (voice) |
| Christopher Walberg | Stinky Peterson (voice) |
Producers
| Name | Role |
|---|
| Mary Harrington | Executive Producer |
| Craig Bartlett | Executive Producer |
| Steve Viksten | Producer |
| Steve Socki | Producer |
| Joseph Purdy | Producer |
| Donna Smith | Producer |
