Mr. Ratburn is getting married! Arthur can't believe it. Teachers don't have lives outside of school...do they? And Arthur and Buster get into an argument over a video game and pretty soon the entire third grade class chooses sides.
"Muffy's House Guests": Muffy is terrified when peregrine falcons build a nest outside her bedroom window. "Binky Can't Always Get What He Wants": Binky must choose between starring in a television commercial or performing in a talent show.
Francine rallies the troops around a petition to help Lakewood Elementary protect the environment. Binky is convinced Mr. Ratburn's math test was too hard, so Brain suggests he conduct a poll to find out what the rest of the class thinks.
Buster's Uncle Bob tells him a spooky bedtime story about an encounter with a mysterious creature called the lycanbunny; Cheikh is worried that if he and his family become American citizens, then they will have to abandon their Senegalese culture.
Prunella is directing the third-grade's production of "The Princess and the Pea," but nothing seems to go according to her plan; D.W. is determined to watch a new television show after her parents tell her she's too young to watch.