Video: 'Harry Potter and the Half-Blood Prince'
The sixth movie in the wildly successful Harry Potter film series starring Daniel Radcliffe reveals a dark yet important look into the past.
Wizened Hogwarts teacher Dumbledore shares a memory with Harry of his first encounter with "the most dangerous dark wizard of all time."
A lonely young boy named Tom holds the key to the identity of the scariest character ever from the Harry Potter books. The clip teases fans with the promise of a revelation.
Between Twilight and the Half-Blood Prince, it's going to be a good fall for fantasy genre freaks.