First sequels are the true test of an enduring movie franchise, and Harry Potter and the Chamber of Secrets passes with flying colors. Expanding upon the lavish sets, special effects, and grand adventure of Harry Potter and the Sorcerer's Stone, Harry's second year at Hogwarts School of Witchcraft and Wizardry involves a darker, more malevolent tale (parents with younger children beware), beginning with the petrified bodies of several Hogwarts students and magical clues leading Harry (Dani....