Synopsis

Four more well-known figures are testing their knowledge on television's most challenging quiz show. Shaun Keaveny, presenter for BBC Radio 6 Music, comedian Mark Watson, Antiques Roadshow specialist Bunny Campione, and Frank Cottrell Boyce, the writer behind the 2012 Olympic Opening Ceremony, face questions spanning Led Zeppelin, *The Canterbury Tales*, Stewart Granger, and Oliver Postgate.