George has a friend named Allie who wants to learn all about being a monkey; George promised he would stay clean for picture day, but when he helps dye eggs, he falls into a pot of dye and turns completely yellow; Bill and the Man with the Yellow Hat are excited for their big hike, but they get stuck on a ledge and George has to find a way to help; It's love at first sight when Hundley meets Professor Wiseman's kitten, but Hundley's allergic to cats; A dry spell has lowered the water level of Lake Wanasink Lake, which leaves one fish friend trapped in a small pond away from his family; When flea season starts, Hundley scratches so hard he scratches his collar right off; When George sees six chicks stranded on an island in a pond, it's George to the rescue; George races to recover The Man with the Yellow Hat's hat and stumbles across another treasure.