Sezoni 21.
Sezoni 1.Sezoni 2.Sezoni 3.Sezoni 4.Sezoni 5.Sezoni 6.Sezoni 7.Sezoni 8.Sezoni 9.Sezoni 10.Sezoni 11.Sezoni 12.Sezoni 13.Sezoni 14.Sezoni 15.Sezoni 16.Sezoni 17.Sezoni 18.Sezoni 19.Sezoni 20.Sezoni 21.Sezoni 22.Sezoni 23.Sezoni 24.Sezoni 25.Sezoni 26.Sezoni 27.Sezoni 28.Sezoni 29.Sezoni 30.Sezoni 31.Sezoni 32.Sezoni 33.Sezoni 34.Sezoni 35.Sezoni 36.Sezoni 37.Sezoni 38.Sezoni 39.
Numri i episodave: 12
Përmbledhje:
The Challenge: Rivals is the 21st season of the MTV reality game show, The Challenge. Rivals takes place in Costa Rica, Argentina, and Patagonia. The season used former cast members from The Real World and The Challenge. Rivals marked the first season of The Challenge to not include any cast members from cancelled series Road Rules. The season featured an incendiary format in which players were teamed with their arch enemies from past seasons of The Real World and The Challenge. The season premiered on June 22, 2011
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Episodi 1.
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Episodi 2.
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Episodi 3.
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Episodi 4.
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Episodi 5.
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Episodi 6.
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Episodi 7.
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Episodi 8.
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Episodi 9.
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Episodi 10.
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Episodi 11.Reunion
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Episodi 12.The S#!@ They Should Have Shown
Titaniku 
Marasli 
Married At First Sight 