The boy wizard is up to his old tricks in this wondrous adaptation of the second Potter book. Despite warnings from an impish "house elf," Harry returns to Hogwarts school, where strange voices emanate from the walls and students are being mysteriously turned to stone. With suspicions focused on him, Harry teams with trusted classmates Ron and Hermione to find the source of the bizarre goings-on. Daniel Radcliffe, Kenneth Branagh, Alan Rickman, Robbie Coltrane, Maggie Smith, and Richard Harris star. 161 min. Widescreen; Soundtrack: English. Two-disc set.