It was broadcast on ITV2 and on TV3 in the Republic of Ireland, on Saturday and Sunday nights after the main ITV show from 4 September 2004 to 11 December 2016.
It featured behind-the-scenes footage of The X Factor and shows the emotional responses of the contestants after the judges comment on their performances.
[1] For series 13, it reverted to airing directly after each ITV broadcast of The X Factor, though the episode after the live performance shows was 30 minutes long instead of an hour.
[8] On 31 May 2011, Caroline Flack and Olly Murs were confirmed as the new co-presenters for series 8 by The X Factor's official Twitter page.
[9] Both Flack and Murs returned in 2012, however, due to touring in America with One Direction, Murs only presented the live shows though he did recorded interviews with the contestants earlier in the series, while guest presenters such as Jedward and Westlife helped Flack with the audition stages.
In April 2013, it was confirmed that Murs would not be returning for series 10 as he wished to concentrate on his own music career.
[15] On 18 June 2015, it was confirmed that The Saturdays singer Rochelle Humes and Kiss FM DJ Melvin Odoom would be the hosts.
[18] The same day, it was announced that Roman Kemp would join the show as the new digital online presenter and social media reporter.
[19] Cameras follow the finalists during their day, and in early series some of the footage was aired in a spin-off show called The Xtra Factor: The Aftermath, which was broadcast in the middle of the week on ITV2.
The Xtra Factor: Xcess All Areas was a live show in which there were interviews, games and trips around the contestants' homes.