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.
| Title | The Challenge - Season 21 |
|---|---|
| Year | 2025 |
| Genre | Reality |
| Country | Australia, United States of America |
| Studio | MTV |
| Cast | T.J. Lavin |
| Crew | |
| Alternative Titles | Road Rules All Stars, Real World/Road Rules Challenge |
| Keyword | competition, reality competition |
| First Air Date | Apr 20, 1998 |
| Last Air date | Dec 10, 2025 |
| Season | 41 Season |
| Episode | 646 Episode |
| Runtime | 42:14 minutes |
| Quality | HD |
| IMDb: | 7.20/ 10 by 71.00 users |
| Popularity | 15.4459 |
| Language | English |
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