A look back at some of the guests who have dropped by Elwood City

Mr. Rogers

Mr. Rogers, appearing as himself, comes to visit Elwood City and stays at Arthur's house. Arthur is embarrassed and doesn't want his friends to call him a baby.

Source: arthur.wikia.com

Alex Trebek

Appears as Alex Lebeck, the host of Riddlequest, in the episode "Arthur and the Big Riddle".

Source: arthur.wikia.com

Art Garfunkel

Guest stars in "The Ballad of Buster Baxter" as the singing narrator and in "Elwood City Turns 100!" as one of the many guest stars Muffy invites to the play.

Source: arthur.wikia.com