Duncan Preston

Ben Shephard finds out if Bobby Norris, Duncan Preston and Kimberley Wyatt have what it takes to beat the extraordinary machine and win thousands of pounds for charity.

Events lead Nikki to conclude that getting the truth will put the Lyell team and everything they love in danger.

Actor Duncan Preston and musical theatre star Bonnie Langford join Alan at Manor Farm this time - Alan also meets four of Britain's most heroic hounds, takes a tour of an award-winning model railway set, and samples some Alice in Wonderland-inspired Mad March cocktails.