- HD 1080
- Runtime: 42m.
- Status: Returning Series
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- Languages: en
- Country: Argentina
- Stars: T.J. Lavin
- keywords: competition, reality competition
- Production_studio: Bunim/Murray Productions
- Slogan: All past finalists. One historic fight.
- Seasons: 4
- Episodes: 42
- First air date: 2021-04-01
- Last air date: 2024-06-19
- providers: Paramount Plus, Paramount Plus Apple TV Channel, Paramount+ Amazon Channel, Paramount+ Roku Premium Channel
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.