Season 12

Season 12 of Arthur premiered in the United States on October 6, 2008 on PBS with "Is That Kosher?" and ended on April 24, 2009 with "D.W.'s Furry Freakout".

The storyboard artists were asked to include a character riding a bicycle in each episode for this season.

Trivia

 * This is the first season animated by Animation Hong Kong Limited.
 * This is the first season that Dallas Jokic, Lyle Lettau and Samantha Reynolds voiced Arthur, Brain and George, respectively.