Arthur's determination to prove he is responsible enough to have a puppy brings him a menagerie of animals to care for.

Arthur is looking forward to having his friend the Brain spend an entire weekend at his house, but then the Brain shows up and starts acting a little too much like the perfect family member.

Even without snow, turkey dinner and a perfect tree, Arthur and his family and friends have a wonderful Christmas--and Hanukkah--celebration.

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 feelings are hurt when Buster begins to spend all his time with his new friend, Mike.

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

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 is in for some embarrassing moments after he, D.W., and their mother shop for school supplies and end up buying two identical backpacks.