This fun-filled Collectors' Edition of George and Harold's third epic adventure is perfect for Captain Underpants fans and for newcomers to the series. This time, the boys join forces with the Waistband Warrior to battle three incredibly naughty cafeteria ladies who are actually aliens in disguise! In addition to cool lenticular art that changes when you move the cover, this deluxe hardcover edition contains an exclusive CD-ROM filled with super-silly songs, music videos, games, and more!