Arthur concluded its record-breaking run as the longest-running children’s animated series in history with a final episode depicting the show’s characters as adults. ***Warning Spoiler Ahead*** ...

In the episode, Arthur, Francine, Buster, and Muffy discover a “retro” game—it’s like a BuzzFeed quiz meets the board game Trouble—in the depths of the Elwood City Public Library.

Pal, Baby Kate & some friends accept Nemo's dare. / Muffy starts a blog. Pal, Baby Kate, Amigo, and Mei Lin enthusiastically accept Nemo's dare to travel around the world and make it back in 11 ...

Muffy is running for mayor of Elwood City, hoping to defeat Mayor Hirsch who is still in office after all these years. D.W. Read Arthur’s little sister D.W. grows up to become a police officer.

So in “Arthur’s Perfect Christmas,” a holiday special, Francine’s family’s Hanukkah celebration causes her to miss out on her best friend Muffy’s Christmas party.