Sue Perkins is on the sofa with Matt and Alex to talk about her new travel series, The Mekong River. Sue's river knowledge is put to the test and she's presented with a specially commissioned firework cake by Great Wellingborough Bake Off winner, 11-year-old Christopher Foster. Also, meet the final person taking part in the One Show Rickshaw Challenge, 16-year-old Jess from Northamptonshire.