Season
- Season 0 1970-01-01
- Season 1 2004-09-04
- Season 2 2005-08-20
- Season 3 2006-08-19
- Season 4 2007-08-18
- Season 5 2008-08-16
- Season 6 2009-08-22
- Season 7 2010-08-21
- Season 8 2011-08-20
- Season 9 2012-08-18
- Season 10 2013-08-31
- Season 11 2014-08-30
- Season 12 2015-08-25
- Season 13 2016-08-27
- Season 14 2017-09-02
- Season 15 2018-08-31
Season 15 Episode
- Season 15 Episode 1
- Season 15 Episode 2
- Season 15 Episode 3
- Season 15 Episode 4
- Season 15 Episode 5
- Season 15 Episode 6
- Season 15 Episode 7
- Season 15 Episode 8
- Season 15 Six Chair Challenge 1
- Season 15 Six Chair Challenge 2
- Season 15 Six Chair Challenge 3
- Season 15 Judges' Houses 1
- Season 15 Judges' Houses 2
- Season 15 Judges Houses 3
- Season 15 Live Show 1
- Season 15 Results Show 1
- Season 15 Live Show 2
- Season 15 Results Show 2
- Season 15 Live Show 3
- Season 15 Live Show 3 Results
- Season 15 Live Show 4
- Season 15 Results Show 4
- Season 15 Live show 5
- Season 15 Live results 5
- Season 15 Live Show 6
- Season 15 Results Show 6
- Season 15 Final Saturday
- Season 15 Final Sunday
The X Factor - Season 15 Episode 1
5.03 48 minutes 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.
