Hey Arnold! is an American animated television series created by Craig Bartlett that aired on Nickelodeon from October 7, 1996 to June 8, 2004. The show centers on a fourth grader named Arnold who lives with his grandparents in an inner-city boarding house. Episodes center on his experiences navigating big city life while dealing with the problems he and his friends encounter. The total is 100 episodes and five seasons.
- Alex D. Linz as Arnold
- Dan Castellaneta as Phil
- Tress MacNeille as Gertrude
- Jamil Walker Smith as Gerald
- Francesca Marie Smith as Helga