When Huey's friends hear that his Cousin Quacko is coming from Australia to visit, they put a duck mask on a gorilla and tell Huey that they have found his cousin.; Papa figures out that the phony cousin is really an escaped zoo gorilla.; Huey accidentally makes Mama think that she has gained too much weight and must diet at once.; Herman convinces Katnip to try painting and wallpapering.; Buzzy takes Katnip to initiate him into a tribe of Indian crows.; Huey uses all the tools in Papa's workshop to sharpen one pencil.