In this episode, Dougie visits Glen Affric, home to the largest fragment of the Caledonian pine forest, where he learns of an ambitious project to rewild 500,000 acres of the surrounding area over the next 30 years. Meanwhile, Christina Sinclair discovers that, despite how we feel about them, Scotland's gull populations are under threat and may need our protection. Landscape photographer Shahbaz Majeed takes us to another of his favourite locations - the Bow Fiddle Rock. And JJ takes a march along some of the Highland’s military roads to find out more about the man who built them - General Wade.