Ultimate Hell Week challenge is back - and this time it’s the turn of the professionals.
Twenty celebrities from the world of sports and entertainment take on the army training challenge and are put through a gruelling special forces selection course.
Each of them has excelled in their chosen field but now their reputations are on the line, as they go way beyond their comfort zone, to face the biggest test of their lives, to attempt to pass a condensed version of Special Forces selection.
