The biggest mistakes in the Harry Potter movies

Read more mistakes in Harry Potter and the Philosopher's Stone

Read more mistakes in Harry Potter and the Chamber of Secrets

Read more mistakes in Harry Potter and the Prisoner of Azkaban

Read more mistakes in Harry Potter and the Goblet of Fire

Read more mistakes in Harry Potter and the Order of the Phoenix

Read more mistakes in Harry Potter and the Half-Blood Prince

Read more mistakes in Harry Potter and the Deathly Hallows: Part 1