Twenty-two of the most iconic, boldest, and fiercest Challenge All Stars from the original The Real World and Road Rules return for a second chance at the ultimate competition as they vie for their shot at the $500,000 grand prize. Follow the competitors as they face unprecedented, over-the-top challenges set in the Andes Mountains of Argentina.

Cast:T.J. Lavin,

Genre:Reality,

country:Argentina,

Production:Bunim/Murray Productions,