When Arthur finds Sue Ellen's lost diary at the library, he wonders whether or not to read it before he returns it to her.

When a parent group bans a series of scary books from the local public library, Arthur and his friends devise a plan to get their favorite books returned.

When Arthur's third-grade class goes hunting for fossils at Rainbow Rock State Park, his friend Buster actually finds one, and instead of turning it in Buster decides to take it home--but he soon regrets his decision.

Fern dares Arthur and his friends to enter the poetry writing contest at the local library, but writing poems turns out to be harder than they thought.

Brain and Francine devise the perfect plan to get even with Muffy after she bribes the judges at the science fair.

Arthur and his hockey teammates, as well as the ghost of the greatest goalie of all time, help out when Buster worries he'll never be as good a goalie as his hero.

The Brain does not believe in superstition, but when he tries to prove that superstitions are nonsense he starts finding bad luck everywhere he turns.