The Case of the Lost Critter

S1 E2: The Secret Environmental Agency has sent our trio some interesting clues. They have a mission now and it could be about a lost critter that needs help finding its way back home. With help from Rosybarb, Happy Plumb, and the twins, they start the investigation and learn how different animals take care of their offspring. When mission is accomplished, a big costume ball is the way of celebrating it.