Which movie? Harry Potter And The Chamber Of Secrets Where would it be in film? Just after Snape chastises Harry and Ron for flying to school. What happens? When leaving the potions classroom, Harry picks up a letter from Kwikspell (a beginners guide to magic) that Filch has dropped. Aghast that two rebellious students have uncovered his darkest secrets, the normally cocky caretaker suddenly becomes very closed as he snatches it back. Should it have been cut? This scene's mainly noteworthy for introducing the concept of a squib (a child born to magic parents with limited magic ability themselves) a whole three movies before the series ultimately did in The Order Of The Phoenix. It's an obscure reference for sure, but in later entries, when the fan-base was more established, that wouldn't have been an issue. Definitely a short moment worth keeping. Also, the creepiness of getting a lengthly shot of the red-eyed Mrs. Norris can be can't be over-stated.