Angela Rippon, Gloria Hunniford and Julia Somerville investigate more stories to do with food. They look into whether products that claim to be sugar-free or have zero sugar are really as virtuous as people might think. There is an unorthodox test to see if the chocolate bars sold in pound stores are the bargain they appear to be, and the team explores why some viewers are paying twice as much for their butter as they did 18 months ago.