Here are the most fascinating secrets and facts from the 2001 production:

What are your thoughts on the first “Potter” film? ⚡️ - Facebook

: Daniel Radcliffe was given green contact lenses to match the book's description, but he had a severe allergic reaction. After his eyes turned bloodshot on the first day of filming, the idea was scrapped.

: Emma Watson was fitted with fake buck teeth to mimic Hermione's description, but she struggled to speak clearly, so they were removed after the first scene. Real Magic vs. CGI

While we think of the series for its visual effects, many iconic moments were surprisingly physical: