Harry Potter: Hogwart's Tournament of Houses

In Harry Potter: Hogwarts Tournament of Houses, the four houses compete in a trivia match about all things Potter. Hosted by Helen Mirren, the four-night event premieres Sunday November 28th on TBS and CN.

Tonight’s battle of the Hogwarts houses sees the wise and witty Ravenclaws go up against the proud and Ambitious Slytherins. Tonight's match up will take place under the watchful eye of the master of ceremonies Dame Helen Mirren.

Dame Helen Mirren returns to the Wizarding World to oversee this wildcard match up. There will be special celebrity guests, actors from the original films and more Harry Potter trivia than you could squeeze into a cupboard under the stairs.

Join Dame Helen Mirren for a historic night in history of Hogwarts as this epic TV event series culminates in the Grand Final. It all comes down to this, one house will tonight lift the inaugural Hogwarts Tournament of Houses trophy.