第12集 The Case of the Mooing Milkshake-MakerScout & The Gumboot Kids 第三季The Case of the Mooing Milkshake-MakerScout comes back from a farm after meeting a mooing milkshake maker. What is it? The Gumboot Kids put the clues together and learn that these milkshake-makers are unique, just like them.