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The show returns for it's fourth series with Dermot O'Leary as the new host. Hopefuls audition for the judges hoping to impress and make it through to the next stage of the competition. Simon decides that new judge Brian isn't working out on the show and decides to ask Louis Walsh to return as his replacement.
First Air Date : Sep 04, 2004
Last Air date : Dec 02, 2018
Episode : 423 Episode
Season : 15 Season
Runtime: 26:14 minutes
Studio: ITV1
Country: United Kingdom
Crew:
