New series. John Humphrys kicks off another 10 rounds of against-the-clock quizzing, inviting four famous faces to answer questions on their chosen subjects, before demonstrating their general knowledge. This time, the opening edition sees Call The Midwife actor Jack Ashton, comedian Rich Hall, Match of the Day commentator Guy Mowbray, and poet Pam Ayres put to the test. Their chosen subjects include Tennessee Williams, Ashes cricket, Iron Maiden and British Wildlife.