Season 21, Episode 1 Welcome to the Jungle
First Aired: June 22, 2011
In the Season 21 opener, 28 "Challenge" alums arrive in Costa Rica and learn they'll be teamed up with their biggest rivals. It doesn't take long for old tensions to resurface, and a fight on the second night sends one player home early.
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- Rating: TV-14
- Premise: MTV reality stars compete for cash and prizes in a series of intense challenges set in exotic locations around the globe. (more)
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