With morale waning, the five remaining teams join forces to safely rappel down a dangerous cliff while encountering their coldest night thus far. Meanwhile, the competition steps up a notch in their quest to stay in the game. In the end, one team will be sent home and only one duo will remain - the team that has shown the most heart, courage, initiative and resolve in their quest to get out alive will claim a life-changing grand prize of $500,000. Bear Grylls hosts.
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