The Challenge: All Stars (season 1)
The first season of "" premiered on Paramount+ on April 1, 2021. The season featured twenty-two past cast members of the main series competing for $500,000. Contestants. Casting. Several potential cast members were asked to appear with some being chosen as alternates and flown out to Argentina for the entirety of production. Alternates included Casey Cooper & Ryan Kehoe of the "" season of "The Challenge", Sophia Pasquis from "", Heather Cooke from 2011's "", and Cohutta Grindstaff of "". Format. "All Stars" features a daily challenge, nomination process and an elimination round. Starting at the 5th  episode, it was announced that the remaining eliminations for the season would be double eliminations in which two players are eliminated. The losing male and female players, or captains, from the daily challenge form a team. The nominated player must then call-out a partner of the opposite gender to form their opponents for the elimination; the gender of the nominated player alternates each episode. The winning team remains in the game while the losing team is eliminated. Twists Gameplay. Final Challenge. At the starting line, host T.J. Lavin announces that players complete a series of checkpoints in male-female  pairs to earn points based on their placements. The player with the greatest total points at the end of the Final Challenge is declared the winner and will receive $500,000. Additionally, the last pair to reach the second checkpoint is eliminated. The first pair to complete each checkpoint receives 5 points; second receives 4 points; third receives 3 points; fourth receives 2 points; fifth receives 1 point. After each checkpoint, members from the winning pair choose a player of the opposite gender (that they haven't already partnered with) as their partner for the next checkpoint. The process continues  with the next highest-ranked players from the previous checkpoint choosing their teammate from the remaining unpaired players. Episodes. Reunion special. The Reunion special aired on June 3, 2021, and was hosted by former NFL player Nate Burleson and entertainment personality Maria Menounos. The cast members who attended the reunion were: Yes, Darrell, Jonna, KellyAnne, Mark, Jemmye, Big Easy, Derrick, Jisela and Beth.