Arthur doesn't believe that his little sister can really read, so he challenges her to prove it.

Jealous when Arthur loses a tooth and receives a quarter for it, his sister tries to trick the Tooth Fairy into also visiting her.

His sister D.W. convinces Arthur to have a garage sale after his mother tells him to get rid of the junk in his room, but things do not work out exactly as he had planned.

Arthur and D.W. do not know what is wrong with Baby Kate when they take her to the neighborhood fair--but Pal the puppy does.

When Arthur gets the hiccups, his family and friends try everything they can think of to make them go away.

D.W. volunteers to take care of the class gerbil during Christmas vacation and finds that he is difficult to keep track of.

Arthur and his friends discover that the new boy at school is different from what they first thought.

Arthur goes with his class on a field trip to the museum, but takes a wrong turn when heading for the bathroom.

After hearing about the exciting summer vacations of his classmates, Arthur decides to write an embellished version of his own summer experiences.

Arthur's sister DW tries to use a reading trick to get Arthur to change Baby Kate's diapers.