The tree house collapses; Arthur's chorus group prepares for their performance.
Francine enjoys circus camp; George has enough of Buster's borrowing.
Arthur wants to get into shape; Muffy takes pictures at the jungle gym.
Buster learns about growing and caring for plants; cupcake award.
Muffy gets opera tickets; Arthur's mom gets a new job.
Arthur and D.W. look for a place to keep cool; Grandma Thora takes in a stray dog.
Prunella's favorite time is in the morning, doing yoga with her mom; Arthur competes in a checkers competition.
Francine and Brain make the all-star soccer team; Emily lies about the sparkly ball.
D.W. wants to find something louder than drums; Buster claims there is a tiger in the state forest.
Binky finds out he's allergic to peanuts; Brain gets a lower-than-expected grade on his test.