 Later on, Arthur appears as a guest in hand-puppet form in a 1999 episode of "Mister Rogers' Neighborhood" in the Neighborhood of Make-Believe.Bill Nye, host of a science-themed program, and Rogers also exchanged appearances on each other's series, as did Rogers and Captain Kangaroo.Rogers additionally appeared in an episode of "Sesame Street", where he explains to Big Bird that even if one loses a running race such as the one Big Bird had run against his friend "Snuffy", no hard feelings threaten to break the two of them apart.