Eric Knowles presents from the Royal Cornwall Showground with experts Caroline Hawley and Ben Cooper. Two teams of couples battle it out to buy three items that will hopefully make a profit at auction, and they all have their sights on a Golden Gavel. The Blues tune into a Bakelite radio while a fairground zebra causes a stir at the auction. Eric Knowles bumps into Poldark and tests the public about the identity of a mystery object.