Two naked survivalists are challenged to survive for 21 days in the Costa Rican rainforest, despite a deadly snake bite on a producer. Kim is paired with Shane. They encounter challenges including rain, illness, shelter fire, and a snake attack.

　讲述迄今为止最具戏剧性的赛季里，车迷们将再次被带到幕后，亲眼见证车手和车队如何在一年内为夺冠而战。