Teams of distinguished graduates compete on behalf of their former universities as the academic quiz's festive incarnation returns, with the opening first-round match seeing Brasenose College, Oxford taking on Bristol. Among those facing questions from host Jeremy Paxman are Bargain Hunt expert Kate Bliss and Radio 4's More or Less presenter Tim Harford for Brasenose, while the Bristol team includes McMafia author Misha Glenny and geologist and broadcaster Iain Stewart