Arthur, who is an aardvark, has bunny slippers, and his best friend Buster, who is a bunny, has aardvark slippers.
Even though D.W. is a girl, all of the voice actors for D.W. have been boys, until Nissae Isen did the adult character design in Blabbermouth/All Grown Up (2022).
It is implied through glimpses of the future that Arthur and Francine end up getting married after they grow up.
The first season cost more than $12 million to create.
Long before the television series, Arthur appeared in a 1983 episode of the PBS show Reading Rainbow (1983), in an animated reading of the book "Arthur's Eyes" narrated by Bill Cosby. A 1988 Reading Rainbow (1983) episode featured an animated reading of the somewhat Arthur related "The Bionic Bunny Show" book narrated by Gene Klaven.