SAS Australia

Recruits dig deep for a confronting backwards fall; an arduous physical test sees someone play dirty; and their most shameful secrets revealed.

The ultimate test in trust goes horribly wrong and a torturous casualty evacuation takes a devastating toll.

Recruits play dirty when pitted against each other in a do-or-die test of true grit and an excruciating 5km log haul through rugged terrain sees them dropping like flies.