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