Gethin Jones delivers the ultimate guide to a countryside winter featuring wildlife, food, gardening and outdoor adventure, all brought to you by a selection of favourite BBC faces. In this episode, Jules Hudson meets a group of open-water winter swimmers and finds out what health benefits it brings, Ellie Harrison is in the stunning Outer Hebrides looking for otters, and James Martin cooks delicious homemade marshmallows. He serves them up with a chocolate dipping sauce - the ultimate fireside winter treat.
