SAS: Who Dares Wins S08E02 - Episode 2

A recruit becomes stranded at the top of a 215-foot waterfall, ending up pinned to the rocks and terrified of drowning. The incident reminds instructor Billy Billingham of situations when he as lost fellow operatives on similar missions. Later, a breach of camp discipline is punished with a relentless series of extreme physical tasks, followed by intensive hand-to-hand combat training sessions.