Episode 1
The gang is devastated after their tree house collapses.
Episode 2
Everyone in Arthur's chorus group is excited about their upcoming performance in Crown City. But when Ms. Krasny gets sick, she is replaced by Arthur's strict piano teacher Dr. Fugue.
Episode 3
Francine goes to circus camp thinking she would as good as her sister Catherine. But when Francine does badly, she thinks that when it is time for the circus show she won't have anything to do.
Episode 4
Buster takes advantage of generous George, asking him for so many things. But George is shy and is afraid to tell Buster no.
Episode 5
Having landed a role for a class play, Arthur finds that he can't fit into his outfit. He and his friends team up to get him in shape.
Episode 6
When Muffy wants to take photos from the jungle gym with her new camera, she gets into into an argument with the Tough Customers, the school bullies.
Episode 7
Buster learns to care for plants.
Episode 8
Fed up with getting punished for Timmy's behaviour, Tommy asks D.W. to teach him good manners.
Episode 9
Mr. Crosswire brings Muffy to an opera.
Episode 10
Arthur's good grade streak slips when his mother takes a client and he fears she won't be around enough.
Episode 11
James invited D.W. and Arthur to swim at his house. Arthur is shocked to learn that Molly is James's older sister.
Episode 12
Grandma Thora takes in a stray dog that is extremely mean.
Episode 13
Prunella gets jealous when Marina joins yoga lessons with her and her mother.
Episode 14
Arthur's friends take his game against Brain in an interscholastic checkers tournament too seriously and he is frustrated with their unwanted support.
Episode 15
When a better soccer team comes to town, Francine and the Brain quit their old team to join them.
Episode 16
Emily makes up an excuse to keep the ball D.W. has found, but starts telling bigger lies to cover up the first one.
Episode 17
The Tibbles receive a new set of drums and want to perform in the Summer Serenade Festival, leaving D.W. to moan over not having her own instrument.
Episode 18
Arthur and Buster go to the park to investigate a rumor that tigers are loose there.
Episode 19
Binky discovers that he's allergic to peanuts.
Episode 20
Much to his horror, Brain gets a B Minus on a test.
