Arthur's wrong guess about the identity of the secret admirer sending him valentine messages leads to teasing by the other children, but clues in additional messages allow him to get his due.

Arthur is unhappy about going on vacation with his family, but he shows them how to make the best of a bad situation when they end up stuck in a motel because of rain.

Arthur, tired of being the only one in his class who still has all his baby teeth, waits impatiently for his loose tooth to fall out.

Arthur is not sure he is happy about the new baby in the family, but when his sister asks for his help in handling the baby, Arthur feels much better.

Arthur's essay wins a contest and he has to read it to the President in a special ceremony at the White House.

Arthur's new puppy causes problems when it tears the living room apart, wets on everything, and refuses to wear a leash.

His friends tease Arthur when he gets glasses, but he soon learns to wear them with pride.

Arthur thinks that by having his teacher stay at his house will be a horrible experience.

Arthur's experience babysitting for the terrible Tibble Twins is as challenging as he expected, but he finally gets control by telling them a spooky story.