Harry Potter: Hogwarts Tournament of Houses 1x4 The Grand Finale Season 1 Season 1 4 Episodes 1x1 - Gryffindor v Hufflepuff 1x2 - Ravenclaw v Slytherin 1x3 - The Wildcard Round 1x4 - The Grand Finale It all comes down to this, one team, one house will tonight lift the inaugural Hogwarts Tournament of Houses trophy.