Season 21
12 episodes · first aired 2011-06-22
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
| 01 | Welcome to the Jungle 2011-06-22 | Twenty-eight Challenge competitors arrive in Costa Rica only to find out that they will be teamed up with their biggest rivals. And a fight on night two sends one Challenger home early. | 2011-06-22 | 0.0 | |
| 02 | Through The Looking Glass 2011-06-29 | On the first men's elimination day, the competition is crushing, and everyone is surprised at who ends up fighting for their lives in the Jungle. Jonna and Camilla have it out, but it's Jasmine who takes the fight to the next level. | 2011-06-29 | 0.0 | |
| 03 | Underdog Day Afternoon 2011-07-06 | A strong team struggles on the girls' elimination day. | 2011-07-06 | 0.0 | |
| 04 | D-DAY 2011-07-13 | The guys plot to send CT home, while Laurel and Mandi vie for his attention. Also: Kenny worries that he's lost his competitive edge. | 2011-07-13 | 0.0 | |
| 05 | Ill Communication 2011-07-20 | Things get heated between teammates Jasmine and Jonna, and a blowout between the girls changes the game. Meanwhile, Adam pursues Jenn. | 2011-07-20 | 0.0 | |
| 06 | Blow Up 2011-07-27 | Evan considers throwing a challenge as part of the guys' plan to get rid of CT. Meanwhile, CT finds himself in the middle of a love triangle with Mandi and Laurel. | 2011-07-27 | 0.0 | |
| 07 | Blood on the Dance Floor 2011-08-03 | One alliance begins to crumble after a brawl between Jenn and Cara Maria. Later, a surprise twist changes the game. | 2011-08-03 | 0.0 | |
| 08 | Cry for Me, Argentina 2011-08-10 | Some players crack under pressure as the final challenge approaches; Laurel defends Cara Maria after Wes and Paula drive her to tears. | 2011-08-10 | 0.0 | |
| 09 | The Storm Before the Storm 2011-08-17 | Two strong male teams fight tooth and nail in "T-Bone," the last elimination of the season. A clue sends the remaining twelve Challengers off to another destination, where they begin the toughest Final in Challenge history. | 2011-08-17 | 0.0 | |
| 10 | At the End of the World 2011-08-24 | 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. | 2011-08-24 | 0.0 | |
| 11 | Reunion 2011-08-31 | The "Rivals" cast reunites and dishes about what went down on the 21st season. | 2011-08-31 | 0.0 | |
| 12 | The S#!@ They Should Have Shown 2011-09-07 | Outtakes and previously unseen footage for the 21st season. | 2011-09-07 | 0.0 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.