Harry Potter and the Philosopher's Stone (movie)
After getting past the tasks, Harry find out that it is the Defence Against the Dark Arts teacher, Professor Quirrell, who is trying to claim the stone. Snape had been protecting Harry all along. Quirrell removes his turban and reveals that Voldemort's face is living on the back of his head. Harry manages to get the Philosopher's Stone by looking into a magic mirror. Voldemort/Quirrell tries to kill Harry but because Harry is still protected by his dead mother's love, Quirrell cannot touch Harry and he turns to dust. Voldemort's soul escapes.