Hermione Granger completing Snape's homework assignment from the class, while Crookshanks proves vital in exposing Scabbers as Peter Pettigrew, a friend of James and Lily Potter who revealed their whereabouts to Lord Voldemort the night of their murders, and was able to wrongly implicate Sirius Black (revealed to be Harry's godfather) in the Potters' deaths. The Time-Turner enables Hermione and Harry to rescue Sirius and the hippogriff Buckbeak. Hermione is horrified by the cruelty that house-elves suffer, and establishes S.P.E.W., the Society for the Promotion of Elfish Welfare, as an effort to gain basic rights for them. She is Bulgarian Quidditch prodigy
Harry Potter and the Chamber of Secrets (film) his friends' letters, and destroys a cake in order to prevent his return to school. The Dursleys lock Harry up, but Ron Weasley and his older twin brothers, Fred and George, rescue him in their father's flying car. While purchasing school supplies, Harry and the Weasley family encounter Rubeus Hagrid and Hermione Granger. They attend a book-signing by celebrity wizard Gilderoy Lockhart, who announces that he will be the new Defence Against the Dark Arts teacher. During a small confrontation with Draco Malfoy, Harry meets Malfoy's father, Lucius, who discreetly slips a book into Ginny Weasley's belongings, which only Harry