← Scooby-Doo! Mystery IncorporatedFan page — not affiliatedS1·E9 Battle of the Humungonauts6 September 2010 · 22mScooby-Doo! Mystery Incorporated😂0🤯0❤️0🔥0👏0☆☆☆☆☆Not rated yetCommentsoldest firstSign in to join the discussion.Where to watchWhere to watch Scooby-Doo! Mystery IncorporatedNWatch on Netflix→iMore info on IMDb↗