During the season premiere of the animated series “Arthur” on Monday, Arthur, Francine, Buster and Muffy spend most of their time trying to play matchmaker for their third-grade teacher, Mr. Ratburn.

Muffy hires Francine as an assistant/Lydia and Muffy join forces to defeat a beauty queen. When Francine needs money for new soccer cleats, Muffy hires her as a personal assistant. But is drinking ...