Sunday, 19 April 1 airing
06:15
BBC Two
S1 E13 · Scotland - Katrina
Tattoo shop manager Katrina from Glasgow leads the group on today's hike. She's been hiding an aquatic secret from the others - she has a part-time job as a mermaid, performing in aquariums. Katrina's walk starts and finishes on the shores of Loch Long - a haven for dolphins and porpoises, with some of the clearest water in Britain