Harry Potter: Hogwarts Tournament of Houses: Season 1, Episode 1

1 - 1: Gryffindor vs. Hufflepuff

Dame Helen Mirren hosts the first episode of this epic TV event series. Over 4 episodes the Houses of Hogwarts will do battle to see which team knows the most about the wizarding world. Tonight's match up - Gryffindors face the Hufflepuffs.