Overview: Dermot O'Leary hosts the tension-packed season finale as the X Factor 2018 winner is crowned.
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First Air Date: Sep 04, 2004Last Air date: Dec 02, 2018Season: 15 SeasonEpisode: 423 EpisodeRuntime: 48 minutesQuality: HDIMDb: 5.10 / 10 by 90 usersPopularity: 35.814Language: English