Hermione Granger is crucial to Harry and Ron in their successful mission to solve the mystery of the Chamber of Secrets. Hermione is revived after Harry kills the basilisk, but she is distraught to learn that all end-of-year exams have been cancelled as a school treat. Hermione buys a cat named Crookshanks, who takes to chasing Ron's pet rat, Scabbers. Before the start of term, Professor McGonagall secretly gives Hermione a Time-Turner, a device which enables her to go back in time and handle her heavy class schedule, though this is not revealed until the penultimate chapter. Much tension comes into play
Harry Potter and the Goblet of Fire (film) a PG-13 certificate in the US, and a 12A in the UK, and stars Daniel Radcliffe as Harry Potter alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. It is the sequel to "Harry Potter and the Prisoner of Azkaban" and is followed by "Harry Potter and the Order of the Phoenix". Filming began in early 2004. The Hogwarts scenes were shot at the Leavesden Film Studios. Five days after its release, the film had grossed over US$102 million at the North American box office, which is the third-highest first-weekend tally for a "Harry