Maggie Aderin-Pocock, Cariad Lloyd, Gareth Malone, Mike Wozniakbr br Series 6, Week 12, Day 5br br Every day this week, former winners Maggie Aderin-Pocock, Cariad Lloyd, Gareth Malone and Mike Wozniak take on a series of quiz rounds selected by the host, quiz legend Richard Osman.br br A daily winner is declared following a quickfire round at the end of each show, and the scores are tallied across the week, resulting in an overall champion being crowned on Friday.