Forgetful Silly Tilly Mole nearly succeeds in ruining her Thanksgiving dinner, but her animal friends come to the rescue with tasty treats.

Arthur views his little sister in a different light after receiving a revealing letter from his pen pal.

When Violet has a numbers problem and Arthur is penniless, they go into business and solve both problems.

Mr. Bunny reminds her that the day is special, but while trying to recall why, Silly Tilly, the forgetful mole, gets distracted by the snow.

Arthur finds a way to enjoy his Christmas cookies even after he discovers they can't be eaten.

While hurrying to get on the school bus, Arthur and his friend unknowingly switch their lunch boxes; later Arthur finds out what surpise his sister had put into hers.

Arthur the chimpanzee, after worrying that his Halloween costume won't be scary enough, wins a prize for the most original costume in the school.

Although Joe's pet dinosaur Betsy is too big for some activities, a formidable task allows her to demonstrate that sometimes bigger is better.

Raccoon twins Arabella and Albert track down the robbers who stole Mrs. Turtle's eggs.

When Mr. Pig marries Selma Pig, there are many adventures in store for the new family.