Gethin Jones delivers the ultimate guide to a countryside summer featuring wildlife, food, gardening and outdoor adventure, all brought to you by a selection of favourite faces. In this episode, Chris Packham and Megan McCubbin visit the Lake District and take some alpacas for a walk. Simon Reeve takes the plunge when he tries wild swimming, and Nadiya Hussain shows us her twist on a classic summer pudding, Eton mess.