Is That Kosher - Joan Rivers lends her voice as Francine's sharp-tongued grandma, Bubba, in this episode about family traditions and communal celebration. Francine's convinced that she can fast on Yom Kippur just like her older sister. But then Arthur wins a free pizza party for all his friends for that very same day! Will Francine be able to resist? With Bubba's help, Francine learns that there's more to the special holiday than making it through...

When Arthur hears his sister singing a catchy tune, he wonders if he could call that jingle his own and enter it in the Crunch Cereal Contest.

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, Buster actually finds one. The problem is, he wants to keep it. Can Arthur persuade Buster to return the important discovery, or will it stay buried forever in the back of Buster's closet?

At Prunella's half-birthday party, her sister unveils a fortune-telling cootie catcher that seems to be able to predict the future.

When Arthur's third-grade class seems to be losing all the events at the Middle Ages Fair, Arthur saves the day by pulling the sword from the stone.

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.

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.

After her friends help her get the lead in the third grade play, Francine becomes so intent on making the play perfect that she almost ruins it.