Episode 4

Amy Irons spends a night under canvas on her bikepacking trip and discovers just how unpredictable the Scottish weather can be. A perfect starlit evening turns into a stormy morning and provides an exciting finale to her trip with expert Markus Stitz.

In Tweedbank, Patrick Winterton drops in on a local initiative that is giving new life to old bikes, and Duncan McCallum joins some of the top riders for the final races of the 2021 Enduro World Series. Meanwhile, Lauren MacCallum meets members of a local orienteering club to experience the thrill of night-time navigation.

And, travelling to the coast, we discover how Libby Penman made the transition from extreme sports to environmental film-maker, and she explains how our oceans can help prevent climate change.