Eighteen celebrity recruits undertake physical and psychological tasks to strip them of their egos. On arrival, the recruits face tear gas exposure and interrogation by the ex-special forces' instructors.

The four-part special event, SAS Australia: Hell Week will feature everyday Australians going to hell and back in the hope of passing SAS selection.

Australian celebrities are pushed to their limits as they eat, sleep and train together through a series of physical and psychological tests from the real SAS selection process.