Celebrities undertake a series of extreme tasks, including jumping backwards out of a helicopter and hand to hand combat, as they begin the challenge of completing the gruelling SAS selection course.
Recruits face a high adrenalin task as they leap from a moving zodiac into a moving helicopter. Pepper spray conditioning pushes some over the edge. Only with the right mindset will they succeed.
A high-speed, high-intensity tactical driving mission puts the recruits under immense pressure; an explosive dressing down and an unexpected ambush make things difficult for the recruits.
Recruits are brutally awoken by the sound of gun fire and a botched rescue attempt unfolds. Messages from home test the recruits' emotional resolve while a relentless pack march takes its toll.
Recruits undergo a critical test of mental strength, in a kill or be killed scenario; a brutally cold ice drill stops some dead in their tracks; a new duty recruit takes charge as others unravel.
Seventeen celebrity recruits have the guts to sign up for the most brutal Special Forces selection course. Their first initiation is to be set on fire, and then survive a plane crash simulation.
Recruits face intense interrogation before they attempt the final phase of the course, a series of brutal physical tasks called The Sickener, designed to push them over the edge.
Recruits take part in an extreme tug of war. Facing off against each other, the loser will be dragged off a 100 metre cliff. An assault course will leave them bruised and battered.