S1, E5: Gordon and John are in the beautiful Cairngorms in search of the rarest and most elusive creature in the UK - the Scottish Wildcat. John has yearned to see one since childhood so the pressure is on Gordon to come up with one in just 3 days. On their journey they also make their way up the mountains on the lookout for reindeer and one of the hardiest little birds, the ptarmigan. Red squirrels inhabit the pine forests as does another elusive creature that John would love to see - the pine marten. Gordon has his work cut out for him but John is a fascinating companion with many tales to tell to fill the hours as they wait for the wildlife to appear.