A BIG HELP: Cleo and T-Bone notice how often Clifford is able to use his large size to help out. But when the kittens, Billy and Betty, get stuck in a tree, the little dogs learn that you don't have to be big to be helpful. THE TROUBLE WITH KITTENS: When kittens Betty and Billy insist on playing in Mr. Bleakman's yard, Clifford does his best to keep them out.