Harry Potter and the Prisoner of Azkaban is the third film in the Harry Potter franchise. Directed by Alfonso Cuarón, the movie takes a darker and more mature turn as Harry, played by Daniel Radcliffe, faces the escaped prisoner Sirius Black. With the help of his friends Ron and Hermione, Harry unravels the truth behind his parents' murder and discovers the power of friendship. The film received critical acclaim for its visual style, character development, and the introduction of new magical elements.