In this opening show, Gabby is joined on the sofa by nervous competitors - celebrities Lee Mack, Bob Mortimer, Sean Lock, Liza Tarbuck, Richard Osman, Roisin Conaty, Tim Vine and Martin Offiah - and professional darts players, including Martin 'Wolfie' Adams, Bobby 'King of Bling' George, Andy 'The Viking' Fordham and Deta 'The Dark Destroyer' Hedman. There is also an introduction to the Home of World Darts, Lakeside Frimley Green and An Idiot's Guide to Darts, allowing viewers less familiar with the sport to get up to speed. In the first quarter-final, Lee 'Hit the Board' Mack and Wolfie Adams take on Martin 'Chariots' Offiah and Anastasia Dobromyslova for a place in the semi-finals.

In this quarter-final, Pointless host Richard 'The Big Frimley Giant' Osman and Deta 'The Dark Destroyer' Hedman battle it out against 'The Queen of Darts' Liza Tarbuck and darts legend 'The King of Bling' Bobby George.

This quarter-final sees comedians Sean 'The Midwife' Lock and Tim Vine 'The Punaway Train' go head to head along with professional darts players Ted 'The Count' Hankey and Darryl Fitton.

In the last quarter-final, Bob Mortimer teams up with darts legend Andy 'The Viking' Fordham, going up against Roisin Conaty and Richie George for the remaining place in the semi-finals.

Gabby Logan hosts the first semi-final of this winner-takes-all tournament for Comic Relief, as some of the biggest names in the world of darts join forces with comedians and celebrities to battle it out for the title of 'Let's Play Darts for Comic Relief Champions 2015'.

Gabby Logan hosts the second semi-final of this winner-takes-all tournament for Comic Relief, as some of the biggest names in the world of darts join forces with comedians and celebrities to battle it out for the title of 'Let's Play Darts for Comic Relief Champions 2015'.

Gabby Logan hosts the nail-biting final of this exciting winner-takes-all tournament for Comic Relief and is joined on the sofa by the celebrity players to reflect on the highs and lows of the tournament so far. Who will get their hands on the coveted 'Let Play Darts for Comic Relief' trophy?