What’s the longest-running children’s animated series on American television?

Arthur – the longest-running children’s animated series on American television – ended its 25 years and more than 250 episodes run on PBS on Feb. 21, 2022. The series’s final episode provides viewers a glimpse of what Arthur and his friends grow up to be. The Arthur characters will live on in a new podcast, games, and digital shorts, while reruns of the series will continue on PBS Kids.