Onlyonehousecanwin.??????????Withcelebrityguests,originalfilmactors,andtheHouseCupatstake,HarryPotter:HogwartsTournamentofHouseswillbethegreatestfancompetitioninWizardingWorldhistory!CatchGryffindorvs.Hufflepuffinthefirstmatch11,28at8ponTBSandCartoonNetwork!
