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 series centers on a fourth grader named Arnold Shortman, who lives with his grandparents in an inner-city boarding house. A total of 100 episodes aired over the course of five seasons. , a feature-length film based on the series, was released theatrically on June 28, 2002. , a television film based on the series, premiered on November 24, 2017, on Nickelodeon.
Before the main series premiered, Craig Bartlett created three clay animation short films:
They featured four characters from Hey Arnold!: Arnold, Helga, Harold and Rhonda.