Surprise, Surprise: Try as they might, Nick and Sally just can't learn to do a somersault. Luckily Cat's friend Luis the Armadillo is the king of the roly polys! But when they find Luis, they learn that he only rolls when he gets surprised. They take turns trying to surprise him, and when they finally do, they're the ones surprised when they learn that not only can Luis roll, but he can even run underwater! Back at home, they follow Luis' advice and are now able to somersault! A Howling Good Time: Nick and Sally are pretending to be lost adventurers when Sally wonders...