It's the Grand Final, and the three remaining choirs battle it out to win the competition.
BBC One Scotland
BBC One except Cambridgeshire, London, Northern Ireland, Scotland, South, Wales
BBC One Cambridgeshire, London, Northern Ireland, South, Wales only
One of the two remaining choirs is crowned 'Last Choir Standing'.
BBC HD & BBC One
The two choirs with the least votes have a sing-off for the last place in the grand final.
Four remaining choirs battle it out in the semis as they look for a grand final spot.
Three choirs advance to the semi-final, while the bottom two battle it out in a sing-off.
The final five choirs perform in front of the judges in the second live knockout show.
Myleene Klass and Nick Knowles host the search for Britain's best choir.
The final six choirs battle it out in the first knockout show.
The three remaining choirs sing again. Plus a performance from tenor Jonathan Ansell.
The remaining five of the final 15 choirs battle it out in the third studio heat.