Overview: Today’s show comes from the Kent County Showground in Detling. Caroline Hawley and Raj Bisram help the teams as they search for the best bargains with £300 in their pockets. Natasha Raskin Sharp takes a trip to the seaside to find out about the mysterious origins of an underground grotto decorated with 4.6 million shells. Owner Sarah shares some of the grotto’s secrets which have been baffling historians for nearly 200 years.