Series 4

1. Blind Auditions 1

2015-01-10

The singing contest returns for a fourth series as Rita Ora joins the panel.

2. Blind Auditions 2

2015-01-17

The coaches assess the vocal talents of another ten hopefuls.

3. Blind Auditions 3

2015-01-24

To Sir Tom's delight, this edition sees many Welsh faces behind the spinning chairs.

4. Blind Auditions 4

2015-01-31

The blind auditions continue with surprises including trumpet-playing Dawn.

5. Blind Auditions 5

2015-02-07

The blind auditions continue and include a celebrity chauffeur booker and an Essex rapper.

6. Blind Auditions 6

2015-02-14

The judges hear from Beckenham duo the Rise, poet Lara Lee and Damian Dalton Smith.

7. Blind Auditions 7

2015-02-21

The blind auditions come to an end as the coaches complete their teams.

8. Battles 1

2015-02-28

Emma and Marvin present as the coaches pair up their acts to battle it out against each other in head-to-head musical performances.

9. Battles 2

2015-03-07

In a nail-biting final battle, the remaining artists of each team take to the stage.

10. Knockout 1

2015-03-14

The coaches must choose the best three acts from their team to continue to the live shows.

11. Knockout 2

2015-03-15

The coaches must choose the best three acts from their team to continue to the live shows.

12. Live Quarter Final

2015-03-21

Featuring live performances from Olly Murs and 2014's winner Jermain Jackman.

13. Live Quarter Final Results

2015-03-21

Emma Willis and Marvin Humes reveal the results of the public vote.

14. Live Semi-Final

2015-03-28

The semi-final sees the coaches' remaining eight acts perform live in front of the nation.

15. Live Final

2015-04-04

The final four artists face the public vote in a bid to be crowned the winner.