The Perfect Game

Summary
Francine becomes excited for Mr. Ratburn's coolest assignment yet - he has asked Francine and her class to design their very own model cities!

Major

 * Arthur Read
 * Francine Frensky
 * Oliver Frensky
 * Catherine Frensky
 * Nigel Ratburn
 * Buster Baxter
 * Muffy Crosswire
 * George Lundgren
 * The Brain

Minor

 * Lefty Paz
 * Henry Thomson

Cameo

 * D.W. Read
 * Binky Barnes
 * Sue Ellen Armstrong
 * Unknown Female Adult Rabbit (Number 4)
 * Maria Pappas
 * Mrs. Pappas
 * Jenna Morgan
 * Alex
 * Fern Walters
 * Arthur lookalike (The Perfect Game)

Mentioned

 * Adil Akyuz

Trivia

 * Francine mentions that there have been 17 perfect games in the history of Major League Baseball. This was indeed true at the time of this episode's original airing in April 2009, with the most recent one then being in May 2004. As of 2021, there have now been 23 perfect games, with the most recent in August 2012. (between Seasons 15 and 16 of Arthur)
 * The Crosswire Motors logo can be seen on the stadium in the last scene.

Production notes

 * After Muffy and George present their model, D.W. is heard saying "woah." This line is delivered by her voice actor from Seasons 1-3, Michael Caloz, instead of Robert Naylor.