Where is airing: ITV
For what age: 19+
How many episodes in 13 season: 32 episodes
For Boot Camp the judges put those hopefuls who made it past the initial auditions through a series of dancing and singing challenges, aimed at weeding out the less-talented candidates.
The Six Chair Challenge returns. The judges must decide on the final six acts in each category to take through to the Judges' Houses stage. None of the hopefuls who secure a seat are safe until everyone in their category has sung. Who will have what it takes to keep hold of their seat and move one step closer to a coveted place in the live shows?.
The Six Chair Challenge concludes. The judges must decide on the final six acts in each category to take through to the Judges' Houses stage. None of the hopefuls who secure a seat are safe until everyone in their category has sung. Who will have what it takes to keep hold of their seat and move one step closer to a coveted place in the live shows?.
The remaining acts jet off to the Judges' Houses, where they have a final chance to make a good impression. Louis hosts the groups in Ibiza, Sharon takes the overs to her LA home, Nicole is in Nice with the boys, and Simon brings the girls to Malibu. After nominating Wildcard acts to add to each others' categories, the judges face more tough decisions. Helping Louis with his choices are 2014 X Factor runner-up Fleur East and Britain's Got Talent judge Alesha Dixon. Sharon enlists the help of Robbie Williams, Nicole is joined by top DJ Calvin Harris, and Simon recruits Spice Girls Mel B and Emma Bunton.
The Judges' Houses stage of the competition continues. With Louis and the groups in Ibiza, Sharon and the overs in LA, Nicole and the boys in Nice, and Simon and the girls in Malibu, which 12 acts will be chosen to make it through to the live shows next week?.
In the first live show of the year the 12 remaining acts compete for the public vote.
In the second live show of the year the 10 remaining acts compete for the public vote. Girl band Four Of Diamonds is added to the show to replace axed duo Brooks Way.
The results of last night's live show is revealed. One Republic and Little Mix perform live.
On the third weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
On the 4th weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
On the 5th weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
On the 6th weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
On the 7th weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
On the 8th weekend of live shows the remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of sealing their place in the competition for another week.
The 4 remaining contestants take to the stage to perform for the judges and audience at home, all in the hope of making it into the finals.
The results of last night's live show are revealed, and 3 contestants go through to the finals.
The three finalists assemble for the first of this weekend's live Grand Final shows.
The two acts left battling for the crown perform what will become the winner's single in front of 10,000 people at Wembley Arena, before they find out who has won this year's competition. Plus there are performances from top international guest stars.
