There's just one week until field day at the Black Lagoon, and Hubie is going to be ready! But getting in shape in one week is harder than he thinks--especially when the workout kit he has seems to be for chickens. Why else would he be developing his pecs and thighs? On the big day, there's more than winning at stake. Will the kids' friendships survive the cutthroat water balloon tosses and three-legged races that await them?