Ellie Harrison and Sean Fletcher explore the grounds and surrounds of Hampton Court Palace. It is home to the last stable of working shire horses in London, and Sean hears how they offer a natural alternative to modern machinery. While Sean is at the house, Ellie is in the garden, at the Hampton Court Palace Flower Show, revealing the finished design of the Countryfile Wildlife Garden. Anita Rani and Adam Henson meet the next two Young Presenter finalists. Adam also hears how lupins are being used as an alternative to soya in livestock feed. Tom Heap finds out whether a US free-trade deal after Brexit would mean boom or bust for UK farmers.