The house is all abuzz with the news that Tutter's Grandma Flutter is bringing Baby Blotter over, for Bear and Tutter to baby-sit for. While everyone stares and makes funny faces at the baby, a lot questions come up: what do babies do? What do they eat? Why do their diapers smell so funny? In the course of all of this "baby talk," Treelo learns that babies need special attention, and that he, once a baby himself, is growing up.