Jason Manford and Alex Jones are joined by pop princess and Strictly judge Alesha Dixon. Miranda Krestovnikoff learns how to free dive, and Paddy O'Connell gets till rage as he finds his way round self-service supermarket checkouts. Marty Jopson tells the amazing story of the giant tea urn that was used to brew cuppas for the bombed citizens of Coventry in World War Two.