Rogers enters with a case, teasing viewers into guessing what is inside. Inside is an Arthur puppet and Marc Brown's drawings of Arthur visiting the NOM. Rogers goes to Marc Brown's workshop. Marc takes time out from writing his new Arthur story to show his simple steps for drawing Arthur. Brown remembers how his Grandma Thora saved all of the drawings he had made for her. Rogers learns from Brown that hundreds of artists work on the animation of the Arthur TV series. They look at a fraction of "Arthur Meets Mister Rogers," first aired on PBS in Oct. 1997. Rogers says goodbye to the toy Arthur just as Michael Yarmush (the original voice of Arthur on the TV series) drops by.
In the NOM, King Friday XIII asks Lady Aberlin about Arthur. He is not the King Arthur whom Friday had heard about in legend. Arthur, the last character from another show ever to visit the NOM, greets the King. Lady Aberlin takes him to see Henrietta and X. Lady Elaine squirts Arthur as they walk by the Museum-Go-Round. "What was I supposed to do?" But Arthur wants to visit the Museum, just after he meets Daniel at the Clock.
Back at the television house, Mrs. McFeely calls Rogers about a video Mr. McFeely is bringing on how people assemble traffic signals. After the screening, Rogers and McFeely turn all the lights on Rogers' traffic signal for the last time.
Songs: Won't You Be My Neighbor?, A Speedy Delivery, Good Feeling.