Desert Island Dish: When Mr. Ratburn challenges the class to find the perfect food for surviving on a desert island, everyone picks potato chips or ice cream! But Arthur and the gang soon discover that they cannot survive - or pass their assignment - on junk food alone. By working together the kids learn about the importance of a balanced diet to overall health. The Secret About Secrets: Everyone seems to have a secretà everyone that is, except D.W.! But when D.W. is finally told one, she quickly learns that getting a secret is easy, but keeping one - and avoiding hurt feelings - is a lot harder than she thought.