Wilson has a problem: he loves treats. In fact, all of the ice cream, hot dogs, soda, and candy he has been eating has made him feel grumpy, tired, and just downright crummy. He has become a "grouch on the couch." His mom notices this change in his mood and health, and she decides to take him to the vet. There, Wilson gets a thorough education in nutrition, thrilling lessons in what foods will make him feel good and what foods he should limit. Come...