A mysterious alien substance copies Ben's appearance and powers while Ben is visiting a space museum, and quickly assumes the shape of other people, leaving the Tennysons to find a way to reveal who is actually the mysterious substance. Note: This episode is a parody of The Thing.
Genres: Action & Adventure , Animation , Comedy , Kids , Sci-Fi & Fantasy
Keywords: alien , based-on-cartoon , extraterrestrial-technology , reboot , superhero , transformation