Aired: 1/10/2015
The singing contest returns for a fourth series as Rita Ora joins the panel.
Aired: 1/17/2015
The coaches assess the vocal talents of another ten hopefuls.
Aired: 1/24/2015
To Sir Tom's delight, this edition sees many Welsh faces behind the spinning chairs.
Aired: 1/31/2015
The blind auditions continue with surprises including trumpet-playing Dawn.
Aired: 2/7/2015
The blind auditions continue and include a celebrity chauffeur booker and an Essex rapper.
Aired: 2/14/2015
The judges hear from Beckenham duo the Rise, poet Lara Lee and Damian Dalton Smith.
Aired: 2/21/2015
The blind auditions come to an end as the coaches complete their teams.
Aired: 2/28/2015
Emma and Marvin present as the coaches pair up their acts to battle it out against each other in head-to-head musical performances.
Aired: 3/7/2015
In a nail-biting final battle, the remaining artists of each team take to the stage.
Aired: 3/14/2015
The coaches must choose the best three acts from their team to continue to the live shows.
Aired: 3/15/2015
Aired: 3/21/2015
Featuring live performances from Olly Murs and 2014's winner Jermain Jackman.
Emma Willis and Marvin Humes reveal the results of the public vote.
Aired: 3/28/2015
The semi-final sees the coaches' remaining eight acts perform live in front of the nation.
Aired: 4/4/2015
The final four artists face the public vote in a bid to be crowned the winner.
