Synopsis

John Humphrys hosts a celebrity edition of Britain's most demanding quiz show. Four new personalities face the Mastermind chair: comedian Fred MacAulay, crime novelist Mark Billingham, actress Georgia Henshaw, and Brian Aldridge, known to listeners of *The Archers* as Charles Collingwood. They will test their knowledge across a range of subjects, from the sitcom *Porridge* and Elvis Costello to the TV series *Sherlock* and Hampshire County Cricket Club.