Fred Rogers (guest star)

Frederick "Fred" McFeely Rogers (March 20, 1928 – February 27, 2003) was an American educator, Presbyterian minister, songwriter, author, and television host. Rogers was most famous for creating and hosting Mister Rogers' Neighborhood (1968–2001), which featured his gentle, soft-spoken personality and directness to his audiences.

On Arthur
Mister Rogers voiced a character modeled after himself in the eponymous season 2 episode "Arthur Meets Mister Rogers". He appeared in live action in the following And Now a Word from Us Kids segment to talk about how the cartoon was made.

The book Arthur and the Perfect Brother is dedicated to Fred Rogers.

Go Stop Go
In the Mister Rogers' Neighborhood Season 29 episode "Go Stop Go", Mister Rogers visited Marc Brown to see how a cartoon is animated, and Arthur himself visited the Neighborhood of Make-Believe.