When Harry and Hermione use the Time-Turner to go back three hours, they don't alter events; they fulfill them. The first time we saw Harry cast the Patronus, he thought it was his father. The second time through the loop, we realize it was always Harry. The fish he threw into the lake? He always did it. The rock thrown through Hagrid’s window? Always him.
Whether you are re-reading the book for the tenth time or re-watching Alfonso Cuarón’s visual symphony, the experience is the same: you are reminded that the darkness passes, that the Dementors can be fought, and that sometimes, the person you are waiting to save you... is yourself. harry potter and prisoner of azkaban
But Rowling plays a brilliant trick on the reader. For the first two-thirds of the book, the narrative is a ticking clock. Dementors—the soul-sucking guards of Azkaban—patrol the school gates. Professor Lupin, the new Defence Against the Dark Arts teacher, seems kind but harbors a secret. Professor Snape is more venomous than ever, convinced he knows the truth. When Harry and Hermione use the Time-Turner to
The solution is equally mature. The Patronus Charm requires the witch or wizard to hold a single, perfect, happy memory. In a series about magic, this is the most realistic spell: fighting darkness requires remembering joy. Harry’s final Patronus—a stag—is not just a shield; it is the spirit of his father telling him that he is never alone. When Warner Bros. handed the reins of the third film to Mexican director Alfonso Cuarón (who had previously made the racy Y Tu Mamá También ), fans were nervous. The result, however, is arguably the greatest Harry Potter film ever made. The fish he threw into the lake