15x1 - Episode 1

September 1, 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.

15x2 - Episode 2

September 2, 2018

The search for a new music superstar continues with the second of the Auditions shows

15x3 - Episode 3

September 8, 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.

15x4 - Episode 4

September 9, 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.

15x5 - Episode 5

September 15, 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.

15x6 - Episode 6

September 16, 2018

The search for a new music superstar heats up as the auditions continue at the SSE Arena.

15x7 - Episode 7

September 22, 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.

15x8 - Episode 8

September 23, 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.

15x9 - Six Chair Challenge 1

September 29, 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.

15x10 - Six Chair Challenge 2

September 30, 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.

15x11 - Six Chair Challenge 3

October 6, 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.

15x12 - Judges' Houses 1

October 7, 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.

15x13 - Judges' Houses 2

October 13, 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.

15x14 - Judges Houses 3

October 14, 2018

15x15 - Live Show 1

October 20, 2018

15x16 - Results Show 1

October 21, 2018

15x17 - Live Show 2

October 27, 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.

15x18 - Results Show 2

October 28, 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.

15x19 - Live Show 3

November 3, 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.

15x20 - Live Show 3 Results

November 4, 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.

15x21 - Live Show 4

November 10, 2018

Dermot O'Leary hosts as the nerve-racking live shows continue.

15x22 - Results Show 4

November 11, 2018

15x23 - Live show 5

November 17, 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.

15x24 - Live results 5

November 18, 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.

15x25 - Live Show 6

November 24, 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.

15x26 - Results Show 6

November 25, 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.

15x27 - Final Saturday

December 1, 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.