Two pairs fight to get back into the game, Amber and Chauncey have a target on their backs, and players must solve a puzzle in the back of an out-of-control bus.
| Title | The Challenge - Season 38 Episode 15 Knot a Problem |
|---|---|
| Year | 2025 |
| Genre | Reality |
| Country | Australia, United States of America |
| Studio | MTV |
| Cast | T.J. Lavin |
| Crew | |
| Alternative Titles | Real World/Road Rules Challenge, Road Rules All Stars, The Challenge: Battle of the Eras |
| 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 | 22.447 |
| Language | English |
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