SAS Australia

The celebrity recruits must use courage whilst facing a terrifying balancing act, 30m above ground. Back at base, they face claustrophobia by negotiating a narrow underground tunnel.

The celebrity recruits are submerged in a vehicle underwater, forcing them to control their panic while holding their breath. They also undertake a covert drill, to test their integrity.

The celebrity recruits face a frightening casualty mission, plunging down a rope from a helicopter hovering above water, to learn how to turn their aggression on and off.

A day of cold water torture pushes the exhausted recruits to their limits and tears flow when they reveal their most shameful secrets.

A DS cull is on the horizon as recruits enter the final days of selection. Tonight, they will attempt the longest cat crawl of any course in blustering winds above a crashing ocean.

Recruits gather all their strength for a bone-chilling ice pit plunge and a torturous trek through dense mangroves, while the writing of death letters tests their emotional resilience.

The fatigued recruits drop from a helicopter into 4°C water carrying 20kg backpacks, before making their way to shore as a group then racing to the top of a mountain.

Armed with rifles, recruits are tasked with a hostage rescue mission, before taking on their most dangerous task yet in near freezing water.

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.