Checkout. (Captain UnderpantsDav Pilkey (full read-aloud) Hope you'll l An illustration of two cells of a film strip. FOUIt-TO-SIX WEEKS LATEA. It’s Captain Underpants, the1 New York Times bestselling series by Dav Pilkey, author and illustrator of Dog Man! When fourth graders George and Harold accidentally hypnotize their principal, they turn him into Captain Underpants. All it takes is a snap of the fingers to let this caped crusader loose upon a world of talking Because Tippy Tinkletrousers a