izzie McGuire, a Disney Channel original series starring Hilary Duff and Robert Carradine, is all about the ordinary, and not-so-ordinary, adventures of a junior high student and her two best friends as they try to deal with the ups and downs of school, popularity, boys, parents, a bratty little brother, and life in general. And if Lizzie leaves anything unsaid, you can bet that her cartoon alter-ego will say it for her