Xander: Prepare to have your spines tingled, your gooses bumped by the terrifying ... Fantasia.
Oz: Maybe it's all the terrifying things we've seen, but hippos wearing tutus just don't unnerve me the way they used to.
Fantasia is a Disney movie from 1940 that consists of animated scenes backed by a classical music score. The most famous sequence is probably Mickey Mouse as the sorcerer's apprentice. The movie also contains a scene with hippos in tutus dancing.