As Harry (Daniel Radcliffe) prepares for a fifth year at Hogwarts, he finds his warnings of the return of Lord Voldemort (Ralph Fiennes) falling on deaf ears. Defying new Defense Against the Dark Arts teacher Dolores Umbridge (Imelda Staunton), Harry organizes a group of fellow students into Dumbledore's Army, a secret society of young wizards dedicated to doing battle against Voldemort and his dreaded Death Eaters. Emma Watson, Rupert Grint, Maggie Smith, Helena Bonham Carter, and Michael Gambon also star. 139 min. Widescreen; Soundtrack: English. Two-disc set.