It looks like trouble when the principal asks Arthur to take home a large envelope marked "confidential".

Arthur worries that he won't be able to play little league baseball as well as all his friends and faces lots of teasing until someone discovers teamwork.

When the quarters which Arthur has collected for Mrs. MacGrady's charity drive disappear, Buster attempts to solve the mystery and prove his friend's innocence.

When Arthur's third-grade class goes hunting for fossils at Rainbow Rock State Park, his friend Buster actually finds one, and instead of turning it in Buster decides to take it home--but he soon regrets his decision.

When Sue Ellen loses her diary, all her friends fear she wrote embarrassing things about them and hope to be the first to find it.

Arthur attends a rock concert in hopes of meeting the famous musical group, Binky.

When Arthur's third-grade class competes at the Middle Ages Fair they lose at everything. Their only hope for victory is if Arthur can pull a sword from a stone.

At Prunella's half-birthday party, her sister unveils a fortune-telling cootie catcher that seems to be able to predict the future.

Brain and Francine devise the perfect plan to get even with Muffy after she unfairly wins the top prize at the science fair.

When Buster rescues a cat stuck in a tree he is treated like a hero, but when he begins to enjoy his fame a little too much, his friends devise a plan to bring him back to his old self.

Arthur can hardly wait for the Brain to come stay at his house for the whole weekend. But when the Brain compliments dinner, neatly folds all his clothes, and even reads stories to D.W., he seems almost too perfect. Then Arthur pays a visit to the Brain's house...

Unhappy about how much homework they have to do, Arthur and his firends dare each other to skip school.

Buster tries to convince Arthur, the Brain, and his other friends that he not only saw a UFO but also a comet heading for the earth.

Arthur gets fired by his new piano teacher, Dr. Fugue, for neglecting to practice, and then must find a way to convince Dr. Fugue to give him a second chance.

Arthur's Grandma Thora, a marbles champion, trains him for the first-ever Elwood City Marbles Tournament, but does not tell him that she will compete against him.

Arthur and his friends set out to make the world's largest pizza so that their feat can be recorded in "The Book of Incredible and Amazing World Records."