Countryfile is in North Cornwall, where Matt Baker visits Prideaux Place, which once housed American soldiers during the Second World War. Matt gets access to the 'American Wing' which has remained untouched since 1943. He also helps catch a fallow deer that got into a spot of bother. Meanwhile, Helen Skelton is finding out why artists, writers and poets flock to Cornwall for inspiration. She also gets on her bike to test out a new woodland trial where cycling and conservation are working hand in hand. Adam Henson is in Dorset meeting a young shepherd and his Christmas lambs are taking centre stage in a nativity. Tom Heap learns about plans to expand British farming to make the most of the increasing global market for dairy products. He travels to Wales to meet a farmer increasing his herd of dairy cattle who believes this is an opportunity not to be missed. But, Tom also hears from those who can't afford to expand, and people concerned about the consequences of producing more milk