Grandma Thora Appreciation Day: Arthur and D.W. are planning a surprise party for Grandma Thora. They're doing it all by themselves--thank you very much--and they're not even fighting! But somehow, in the midst of all the party-planning mayhem, one teeny detail gets forgotten--the guest of honor! Fern's Slumber Party: Shy Fern hosts a slumber party at her mother's urging. Her guests are sure it will be the most boring party of all time--but when disaster strikes, Fern's special talents save the day. Or, in this case, the night!