1x1 - Britain's Biggest Adventures with Bear Grylls

Bear begins with a trek around Snowdonia, a landscape shaped by volcanic eruptions and continental fractures. He starts his adventure in a fast boat crossing Cardigan Bay, which at 50-miles wide is the largest bay in Wales. He also explores Snowdonia, learns more about Britain's smallest bat, and searches for an eco-system hidden in the depths of the North Wales