Series 15

01 Episode 1 Episode 11st September 2018 Simon Cowell, Louis Tomlinson, Robbie Williams and Ayda Williams return for an exciting fifteenth season of the UK's biggest singing competition, starting with arena auditions at SSE Wembley Arena; with Dermot O'Leary. 02 Episode 2 Episode 22nd September 2018 The search for a new music superstar continues with the second of the Auditions shows 03 Episode 3 Episode 38th September 2018 The search for a new music superstar continues as The X Factor returns to ITV. Heralding the start of a new era for the nation’s most talked about entertainment show, is a brand-new panel with Robbie Williams, Ayda Williams and Louis Tomlinson joining music mogul Simon Cowell as judges. 04 Episode 4 Episode 49th September 2018 The search for a new music superstar continues as The X Factor returns to ITV. Heralding the start of a new era for the nation’s most talked about entertainment show, is a brand-new panel with Robbie Williams, Ayda Williams and Louis Tomlinson joining music mogul Simon Cowell as judges. 05 Episode 5 Episode 515th September 2018 The SSE Arena Wembley is the location as the audition rounds continue in the talent contest, hosted by Dermot O’Leary. Judges Robbie Williams, Ayda Williams, Louis Tomlinson and Simon Cowell decide who goes through to the Six Chair Challenge, before the competition really heats up later in the year with the live shows. 06 Episode 6 Episode 616th September 2018 The search for a new music superstar heats up as the auditions continue at the SSE Arena. 07 Episode 7 Episode 722nd September 2018 The search for a new music superstar heats up as the auditions continue. Judges Robbie Williams, Ayda Williams, Louis Tomlinson and Simon Cowell audition more hopefuls at the SSE Arena in Wembley. They are joined by Dermot O’Leary, who will be on hand to guide viewers and contestants alike through their X Factor journey, providing them with a word of advice or a much-needed hug as the contestants perform in front of the judging panel. 08 Episode 8 Episode 823rd September 2018 The search for a new music superstar heats up as the auditions continue. Joining music mogul Simon Cowell as judges are Robbie Williams, Ayda Williams and Louis Tomlinson. 09 Six Chair Challenge 1 Episode 929th September 2018 The Six Chair Challenge returns, promising amazing performances alongside agonising decisions for judges Robbie Williams, Ayda Williams, Louis Tomlinson and Simon Cowell, as they must each decide on the acts they will take through to their Judges' House. However, this year each judge has a golden button, which guarantees one act in their line-up a place in the final six, meaning that once they have a seat, they cannot be swapped out. Presented by Dermot O'Leary. 10 Six Chair Challenge 2 Episode 1030th September 2018 Dermot O'Leary hosts the second of the three Six Chair Challenge episodes, in which the acts perform individually before the judges choose who will be selected for the next stage. However, even if a contender is selected to go through to the next stage, the judges are free to change their minds and ditch them if a more promising alternative comes along later in the show. 11 Six Chair Challenge 3 Episode 116th October 2018 The final Six Chair Challenge episodes, in which the acts perform individually before the judges choose who will be selected for the next stage. 12 Judges' Houses 1 Episode 127th October 2018 The remaining 24 acts jet off to the Judges' Houses stage. Offering a glimpse into the jetset lifestyle that the winner could have, the contestants travel to glamorous destinations across the world, and with just one more chance to impress their mentor, each act will be hoping to convince them that they have the star quality required to reach the live shows. 13 Judges' Houses 2 Episode 1313th October 2018 The competition reaches its next stage as the remaining acts jet off to the Judges' Houses, where they have a final chance to make a good impression. 14 Judges Houses 3 Episode 1414th October 2018 15 Live Show 1 Episode 1520th October 2018 16 Results Show 1 Episode 1621st October 2018 17 Live Show 2 Episode 1727th October 2018 Each of the acts will need to show their adaptability as well as singing talent in order to survive another week in the competition. 18 Results Show 2 Episode 1828th October 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 19 Live Show 3 Episode 193rd November 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 20 Live Show 3 Results Episode 204th November 2018 Dermot O'Leary hosts as the nerve-racking live shows continue; each of the acts will need to show their adaptability as well as singing talent in order to survive another week in the competition. 21 Live Show 4 Episode 2110th November 2018 Dermot O'Leary hosts as the nerve-racking live shows continue. 22 Results Show 4 Episode 2211th November 2018 23 Live show 5 Episode 2317th November 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 24 Live results 5 Episode 2418th November 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 25 Live Show 6 Episode 2524th November 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 26 Results Show 6 Episode 2625th November 2018 Each of the acts will need to show its adaptability as well as singing talent in order to survive another week in the competition; Dermot O'Leary hosts. 27 Final Saturday Episode 271st December 2018 The final acts perform in the hope of impressing the judges and the audience at home, while a lineup of guest performers takes to the stage. 28 Final Sunday Episode 282nd December 2018 Dermot O'Leary hosts the tension-packed season finale as the X Factor 2018 winner is crowned.