At the End of the World
| Episode Number | 10 |
|---|---|
| Season | 21 |
| Aired | 2011-08-24 |
| Overview | With the Final underway, teams thrive or fail based on their ability to work together. One male team and one female team will claim the title of Challenge champions. |
| Runtime | 45 minutes |
| Absolute Number | 0 |
| Finale Type | season |