After finally getting her first library card, Arthur's little sister D.W. tries to check out her favorite book, with humorous results.

When D.W. is sent to her room as punishment for making baby Kate cry, it is Kate who finally makes her feel better.

When Arthur sees advertisements for the amazing doggy Treat Timer, he decides to earn enough money to buy it for his dog Pal. Arthur's purchase of a Treat Timer for his puppy, Pal, backfires when the device only frightens his pet.