Celebrities take on the ultimate intellectual challenge.
John Humphrys presides over the first of five seasonal specials in which famous faces test their grey matter in the legendary black chair.
Hoping to raise a few pounds for charity are journalist Rageh Omaar , BBC sports presenter Clare Balding , former Brookside star Steven Pinder and explorer
Chef Hugh Fearnley-Whittingstall , Radio 4 host Edward Stourton , Liberty X's Kelli Young and TV presenter and radio DJ Henry Kelly take to the chair.
The black chair beckons for another bunch of celebrities. John Humphrys asks the questions.
Scott Mills, Bernie Nolan , lain Lee and Jimmy McGovern are the latest brave souls to face a grilling from John Humphrys
John Humphrys presides over the concluding edition of the five seasonal specials in which famous faces test their grey matter in the black chair.