CELEBRITY SAS Who Dares Wins pushes recruits through to the limits to see if they have what it takes to make it into the Special Forces.
So there's no surprise that the Channel 4 programme is jam-packed with shocking moments, from fainting to freak injuries and stars breaking down in tears over horrifying challenges.
Celebrity SAS Who Dares Wins - which is set to return to screens later this year - often sees its celebrity contestants swimming in freezing water, crawling across canyons and wresting one-on-one.
And that's for those who make it through each day - with some of the recruits dropping out just hours into the programme each year.
Read more on thesun.co.uk