Factual Inaccuracies in Harry Potter & The Goblet of Fire

1. Magic doesn't exist.

2. Snakes can't talk.

3. Polyjuice potion is made with lacewing flies, leeches, fluxweed, knotgrass, powdered horn of bicorn, shredded skin of boomslang, and a bit of whoever you want to turn into. There is no stinksap in the potion, as mentioned in the movie.