Hosted by Brihony Dawson and filmed in Buenos Aires, Argentina, The Challenge Australia will see an algorithm randomly pair challengers to compete in gruelling physical contests, test strategies, survive eliminations, cutthroat alliances and steamy hook-ups to win daily challenges and eliminate their opponents.

Brihony Dawson, Billy Dib, Ciarran Stott, Conor Curran, David Subritzky, Grant Crapp, Jack Vidgen, Johnny Eastoe, Konrad Bién-Stephen, Marley Biyendolo, Ryan Gallagher, Troy Cullen, Brooke Jowett, Audrey Kanongara, Brittany Hockley, Brooke Blurton, Cherneka Johnson, Cyrell Paule, Emily Seebohm, Jessica Brody, Kiki Morris, Megan Marx, Suzan Mutesi