Harry Potter: Hogwarts Tournament of Houses 1x2 Ravenclaw v Slytherin Season 1 Season 1 4 Episodes 1x1 - Gryffindor v Hufflepuff 1x2 - Ravenclaw v Slytherin 1x3 - The Wildcard Round 1x4 - The Grand Finale The wise and witty Ravenclaws go up against the proud and ambitious Slytherins in a test of Wizarding World knowledge.