Iain and Katherine are joined by comedian Sara Barron in the studio, Fortnite makes you a suicidal drug addict?, Barry from Watford and Iain have a rap battle, Gerard loses the log book, Andrew's quiz causes Iain and Katherine to fall out when Iain throws a green marker at Katherine white jacket, Christian and Iain go crazy, Rainbow George and Iain argue and Jack asks would we have discovered flight without birds?