Harry Potter and the Prisoner of Azkaban is the third film in the Harry Potter series, directed by Alfonso Cuarón. In this installment, Harry (Daniel Radcliffe) returns to Hogwarts for his third year, only to discover that a dangerous prisoner named Sirius Black has escaped from Azkaban, the wizarding prison. As Harry learns more about his past and the truth behind Sirius Black's escape, he faces new challenges and encounters magical creatures like the Hippogriff and the Dementors. With its darker tone and complex storyline, Harry Potter and the Prisoner of Azkaban showcases Radcliffe's growth as an actor and his ability to handle more mature themes.