Actor Philip Glenister is back from the 70s and 80s where he lives as DCI Gene Hunt from Life on Mars and Ashes to Ashes. Ulrika Jonsson is not so much shooting stars as answering questions about them, and the host becomes the hosted with Justin Lee Collins completing the trio of guest contestants.

Their fate? To be questioned by a deadpan quizmaster - Jimmy Carr.

James Nesbitt, Fearne Cotton and Jimmy Carr join Chris for Show 4. Each celebrity will be playing for their fans in the audience, trying to win them a slice of the prize money. The size of this slice depends on how many people back the winning star.

The Radio 1 DJ is joined by comedian Jimmy Carr, presenter Holly Willoughby and rugby player Gavin Henson, who compete to secure a place in the grand final and top the leader board.