When did The Challenge Season 37 Episode 21 air?
The Challenge Season 37 Episode 21 aired on December 22, 2021.


Legends will fall. A new champion will rise.
Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.

Maria Menounos questions the agents about their on- and off-air hookups, Cory accuses Josh of making promises he couldn't keep, and the Rookie of the Year performs the song of the season.
Direct answers for episode-level questions and details.
The Challenge Season 37 Episode 21 aired on December 22, 2021.
This episode runs for approximately 43 minutes.
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