Dual Survival
Out of Air
Season 6 Episode 7 of 15
Grady and Josh are stranded in high in the Peruvian Andes, where they fight off altitude sickness - and the accompanying hallucinations - and seek fresh water
Dual Survival airs on Discovery Channel HD at 10:00 AM, Wednesday 20 August. (Subtitles.)
Learn more about Dual Survival and other education/science/factual topics on our factual page
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