Two brave individuals volunteer to experience life as an animal for four very long days. With the help of dog-behaviour experts, the two aspirant Dr Dolittles swap their human lives for those of working dogs. Extreme sportsman Ed Leigh moves into a kennel with 33 male foxhounds, while former Lara Croft model Lucy Clarkson tries life as a sheepdog on a working sheep farm.

• Terry Nutkins
• Rebecca Wilcox