Caroline Hawley and Ochuko Ojiri lend a helping hand to two teams at Epsom Downs racecourse, while Eric Knowles learns about an amazing model of a lost Tudor palace.

David Harper and Raj Bisram help the teams look for items at Ardingly International Antiques and Collectors Fair in West Sussex, while presenter Natasha Raskin Sharp visits a windmill that has been turned into a museum of rural life.