The article discusses 15 spontaneous moments and behind-the-scenes stories from the Harry Potter franchise. Some of the notable moments include:
* Emma Watson's unscripted reaction to meeting Harry Potter in the first film
* Jason Isaacs' improvisation of Lucius Malfoy's appearance and mannerisms
* The cast's unscripted applause at the end of a scene in "Harry Potter and the Chamber of Secrets"
* Helena Bonham Carter's unscripted torture scene with Emma Watson in "Harry Potter and the Order of the Phoenix"
* Tom Felton's improvisation of Draco's line "You didn't know something you can do" in "Harry Potter and the Chamber of Secrets"
* Evanna Lynch's choreographed dance as Luna Lovegood in "Harry Potter and the Deathly Hallows"
* Ralph Fiennes' improvisation of Voldemort's awkward hug with the Malfoys in "Harry Potter and the Deathly Hallows"
These moments, among others, showcase the creativity and spontaneity of the cast and crew during the filming of the Harry Potter series.
Here are the key facts extracted from the text:
1. Emma Watson's line "My, you're Harry Potter" in the first film was not scripted, but rather something she came up with on the spot.
2. The applause scene in the Chamber of Secrets, where the students and teachers applaud Dumbledore, was not scripted and was improvised by the actors.
3. Jason Isaacs, the actor who played Lucius Malfoy, came up with his own costume and hairstyle for the character.
4. During a scene in the Order of the Phoenix, Hermione's unexpected laughter was not scripted, but rather a natural reaction from the actress.
5. Helena Bonham Carter, the actress who played Bellatrix, improvised the scene where she tortures Hermione and the inscription "Mudblood" on Hermione's hand was also not scripted.
6. Jason Isaacs improvised the line "You will always be there to save us" in the Chamber of Secrets.
7. The kick that Lucius gives Dobby in the Chamber of Secrets was not scripted and was completely improvised by Jason Isaacs.
8. In the Order of the Phoenix, Helena Bonham Carter accidentally poked the actor playing the victim with her wand, causing him to jerk and the wand to go into his ear.
9. Jason Isaacs improvised the scene where he casts a spell at Harry, but ended up using the wrong spell.
10. Emma Watson came up with the idea of Hermione extending her hand to Ron in the Chamber of Secrets, rather than hugging him.
11. Mark Williams, the actor who played Arthur Weasley, was given complete freedom to ask Harry about Muggle artifacts and came up with the line "Tell me exactly how they don't use rubber galoshes."
12. Ralph Fiennes, the actor who played Voldemort, kept changing his dialogue during the final film to evoke different reactions and keep the scene fresh.
13. Tom Felton, the actor who played Draco, improvised the line "Read didn't know" in the Chamber of Secrets.
14. Evanna Lynch, the actress who played Luna, came up with the choreography for her dance at the wedding of William Weasley and Fleur Delacour.
15. Ralph Fiennes felt that the spirit of Voldemort had completely taken over him in the second part of the Deathly Hallows and improvised the awkward hug with the Malfoys.