We are going to be spending a day in MGM, and we already have PS for dinner with the Fantasmic Dinner package for Hollywood & Vine. What are some things we can do there that would not be too much for our 18month old son?? Two things on our must do is the Playhouse Disney show, and the Toy Story Pizza Palace (he loves this movie already!!). Also what are some good tips for characters?? Are there any playgrounds at MGM???