1. Swept Away

Arthur, Buster and D.W. enjoy summer vacation at the beach. When it becomes unsafe to swim, Grandma Thora suggests building a sandcastle and they quickly become immersed in this pastime. When the tide threatens to sweep away their castle, Arthur isn't ready to let it go.

2. Germophobia

3. Arthur Sells Out

Arthur is excited about the release of the new video game Dark Bunny: Return of the Moomies, but doesn't have the money to buy it. When his attempt at online sales through the school newspaper falls flat, Buster recommends getting advice from Muffy. Muffy's sales tactics soon result in great sales, but border on dishonesty and leave Arthur facing an important moral decision.

4. Mind Your Manners

The Tibble twins want to take their grandmother out to dinner to celebrate Grandparents Day, but she’d rather stay home. Could their table manners have something to do with her turning down their invitation?

5. Buenas Noches, Vicita

When Vicita loses her favorite storybook, it looks like she may never get to sleep again. Nothing else seems to help her sleep, but then D.W. helps her to see that she knows the story by heart. Worried, however, that she got one of the details wrong, she sets out to correct her error in a dream.

6. Prunella Packs it In

Everyone knows that elementary school is way too early to start thinking about college - except for Prunella. Her older sister’s anxiety about college is so contagious that Prunella piles on extra-curricular activities to make her more “appealing”.

7. Phony Fern

Fern is offended by everyone's constant use of cell phones, until she surprisingly becomes addicted to the one her parents got her for "emergency use only." After being shown its cool features by Muffy, they become cell phone pals and are soon chatting constantly.

8. Brain's Shocking Secret

Binky discovers a secret about Brain.

9. Baby Kate and the Imaginary Mystery

When Nadine misses an appointment for tea with Vicita's imaginary friend, Tweenie, Baby Kate and Pal grow concerned. They launch an investigation, worried that she may have been kidnapped by the Tibbles. Along the way, Francine's cat Nemo is pulled into the investigation.

10. Strangers on a Train

Ellen finds a diary when riding on a train. Could it belong to the ghost of the “Crown City Star”?

11. The Making of Arthur

When Matt Damon announces a new series called Postcards from You, Arthur and his friends are excited by the opportunity to create videos about their daily lives. Everyone has a great idea for a video except Arthur, who isn't sure what to do. He keeps bouncing between ideas, but can't settle on anything, and finds himself hindered by D.W.'s insistence on participating. He also has to contend with having been chosen as Buster's project.

12. Dancing Fools

Francine and George are paired in a dance class taught by Mrs. Molina.

14. Mr. Alwaysright

Brain is always right about everything and it’s getting on Buster’s nerves. To feel better, Buster wants to be there when Brain makes his first mistake.

15. Francine's Pilfered Paper

When Mr. Ratburn assigns everyone in his class an individual topic about Thanksgiving to write a five-page report on, Francine feels that she's "doomed." She has no idea how she's going to come up with five pages on the Pilgrims' eating habits, until Brain shows her how to use a search engine to find information about the subject on the Internet. She copies the contents of an entire article and hands it in as her report, looking forward to a relaxing holiday. She then learns from her sister that what she's done is plagiarism and could get her suspended from school.

16. Buster Gets Real

Everyone is into the new supermarket reality show on TV - except Arthur. When Buster stops watching Bionic Bunny in favor of the new show, Arthur fears their friendship is over.

17. D.W. on Ice

When Emily announces a skating party to celebrate mid-winter, D.W. brags about being a great skater. She feels she's so good that she even offers lessons to James, who is worried about his skating skills. D.W., however, is overconfident, having only gone ice-skating three times in her life. She begins to learn that sometimes it takes practice to be good at something.

18. Spoiled Rotten!

When Muffy's friends accuse her of being spoiled, she tries to prove them wrong by being the most charitable person around. Francine is unimpressed until Muffy discovers the true meaning of charity.

19. Big Brother Binky

When Binky's parents tell him that they're adopting from China, he isn't sure what to make of it at first. He learns that "adopting" means that he's going to become an actual big brother to a baby girl and will be heading to China to meet his new sister. Binky eagerly assists with preparations for the big trip and the new arrival, but begins to become concerned that his parents will no longer have any time for him. After his worries are eased, the big moment finally comes. At first, Binky is ill at ease around his new sister, who seems to cry a lot, but then discovers a special talent. Back at home, he's eager to show off his new talent to his friends, but finds that he seems to have lost it.