As of July 2026, The X Factor Season 15 aired in 2018 with 28 episodes. Full episode guide and where to watch below.

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The X Factor Season 15

2018 28 Episodes Reality ⭐ 5/10

The X Factor Season 15 is currently streaming on major platforms, and it delivers exactly the kind of format-driven drama that keeps people talking. The show says what it needs to say in a single season, no filler. 98 viewers have already rated it on TMDB — the kind of consensus that does not happen by accident. Dermot O'Leary anchors the format, but the whole cast makes it watchable. Available now — press play and find out why people keep recommending it.

Whatever else is competing for your attention this week, The X Factor Season 15 is worth clearing space for. The X Factor Season 15 understands that the format only works if the people in it feel real. Season 15 of The X Factor includes 28 episodes. It aired from September 2018 to December 2018. This season stars Dermot O'Leary, Simon Cowell and Ayda Field. Dermot O'Leary and Simon Cowell lead a cast that brings real weight to the material. It was aired in 2018. What keeps The X Factor Season 15 from feeling stale is a production that knows when to get out of the way. It knows exactly what it is, and does not try to be anything else.

If the format appeals to you at all, The X Factor Season 15 is one of the stronger examples of it. It rewards viewers regardless of what else is in their watch history. Best experienced as a single, sustained watch if your schedule allows. Dermot O'Leary is a big part of why it works, but the format itself is the real star. The kind of thing that generates strong opinions in every room it is watched in.

📡 Where to Watch The X Factor Season 15

Not currently available on major streaming platforms. Check back soon.

🎬 The X Factor Season 15 — Episode Guide

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.

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

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.

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.

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 ...

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

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 t...

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.

Six Chair Challenge 1

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 bu...

Six Chair Challenge 2

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 ...

Six Chair Challenge 3

The final Six Chair Challenge episodes, in which the acts perform individually before the judges choose who will be selected for the next stage.

Judges' Houses 1

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 ...

Judges' Houses 2

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.

Judges Houses 3

Each of the acts will need to show their adaptability as well as singing talent in order to survive another week in the competition.

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.

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.

Live Show 3 Results

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.

🎭 Cast of The X Factor Season 15

Dermot O'Leary

Self - Presenter

Simon Cowell

Ayda Field

Robbie Williams

Robbie Williams

Louis Tomlinson

Louis Tomlinson

📋 All Seasons of The X Factor

Season 1 Season 2 Season 3 Season 4 Season 5 Season 6 Season 7 Season 8

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