When their father's perfect soufflé is destroyed, Arthur and D.W. both tell their version of what happened.

An army of lice has been unleashed on the heads of Lakewood Elementary. Now, the whole school must get rid of them before they all go insane.

After eating too much sweets and desserts, Arthur has dreams involving Brothers Grimm fairy tales.

Arthur tells his friends about the World Records that have been broken, and they try to break some of the records. Buster, walking backwards, Francine trying to kick a soccer ball in the air the most times, Muffy not talking, and Binky building the largest popsicle stick bridge. All these were very hard tasks, so Arthur decides to make the largest pizza in the world by getting help from the whole city.

Mr. Ratburn's class has a mock election. Muffy and Arthur are taking it really seriously until Binky is nominated.

When D.W.'s favorite TV show is cancelled, she makes a petition to bring it back.

Buster's destiny was to have a Pizza Paula's all-you-can-eat contest. The only problem is that he is too excited so he could not go to sleep.

Arthur is chosen to appear on the popular game show Riddle Quest.

Lakewood Elementary is having an open house. Sue Ellen is excited to introduce her parents until she hears her friends tell stories about their parents being embarrassing.

Arthur, Francine, and The Brain dare each other to skip school for a day

Buster can't cope with being the only kid in Elwood City who doesn't have a Cybertoy.

After a loss in the rehearsal math-a-thon against Buster, Brain decides to work on his new life as a Comedian. Now Brain wants to hand everything down to Buster so Buster could be the new brain.

Arthur and D.W. are obsessed with going to Aqualand. They beg their father to go with them, but David tells them that going to Ocean Zone would be more fun.

The kids of Lakewood Elementary go to the Clark Caves, and Francine and D.W. starts to bother Arthur of being afraid of bats and the dark.

D.W. and Tibbles help Arthur train for a 3K race against Brain.

When there is a new neighbour in Francine's apartment, Francine and Muffy try everything to get rid of her.

Binky volunteers to look after Francine's cat Nemo for the weekend.

Buster's mom announces she has a new boyfriend, and Buster thinks his mom won't have time for him with her new boyfriend.

Arthur and D.W. don't want to go to Grandpa Dave because he only want to sleep and play checkers. One day Grandpa Dave shares a secret map, and Arthur and D.W. hunt for the buried treasure.

Muffy began to read Mature Miss magazines. She began to act more mature and thinks all her friends are too juvenile.