Natural Selection (S01E03)

Ten aspiring SAS candidates confront their most daunting test yet: a grueling three-day survival course set in the rugged Welsh mountains. Here, they must avoid capture by 40 Paratroopers while traversing treacherous landscapes and swollen rivers. Mick Sharp is eager to enlist alongside his friend Jamie, but Henno is determined to make things challenging for him. However, the stakes rise dramatically when two soldiers are discovered dead, hinting at an even more sinister threat hiding in the forest.