Grandpa Lou takes over Stu's job of chaperone for the class field trip to the Human Body museum, and starts to embarrass Tommy. Meanwhile, Dil is hospitalized for a throat infection.

Starring:

Ann Magnuson, Cheryl Chase, Cree Summer, Dionne Quan, Elizabeth Daily, Hattie Winston, Joe Alaskey, Kath Soucie, Melanie Chartoff, Nancy Cartwright, Pat Musick, Tara Strong, Tress MacNeille

Genre:

Animation, Comedy, Drama, Family