UK TV · ITV1
The X Factor: all seasons, episodes and where it airs in the UK
Quick answer · UK
The X Factor is a UK music and reality series on ITV1, which ran from 2004 to 2018, with 15 seasons and 446 episodes.
The X Factor has ended; its final episode aired on Sunday, December 2, 2018.
The X Factor seasons (15 seasons, 446 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 24 | September 4, 2004 | December 11, 2004 |
| Season 2 | 30 | August 20, 2005 | December 17, 2005 |
| Season 3 | 30 | August 19, 2006 | December 16, 2006 |
| Season 4 | 28 | August 18, 2007 | December 15, 2007 |
| Season 5 | 30 | August 16, 2008 | December 13, 2008 |
| Season 6 | 30 | August 22, 2009 | December 13, 2009 |
| Season 7 | 30 | August 21, 2010 | December 12, 2010 |
| Season 8 | 31 | August 20, 2011 | December 11, 2011 |
| Season 9 | 31 | August 18, 2012 | December 9, 2012 |
| Season 10 | 32 | August 31, 2013 | December 15, 2013 |
| Season 11 | 34 | August 30, 2014 | December 14, 2014 |
| Season 12 | 28 | August 29, 2015 | December 13, 2015 |
| Season 13 | 32 | August 27, 2016 | December 11, 2016 |
| Season 14 | 28 | September 2, 2017 | December 3, 2017 |
| Season 15 | 28 | September 1, 2018 | December 2, 2018 |
Original UK air dates on ITV1.
Common questions
How many seasons of The X Factor are there?
The X Factor has 15 seasons and 446 episodes, first airing on Saturday, September 4, 2004.
Has The X Factor ended?
The X Factor has ended; its final episode aired on Sunday, December 2, 2018.
What channel is The X Factor on in the UK?
The X Factor aired on ITV1. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in The X Factor?
The main cast includes Louis Walsh, Simon Cowell, Dermot O'Leary, Sharon Osbourne.
Source: TVmaze (CC BY-SA), retrieved October 7, 2026.