Ex-SAS Mark 'Billy' Billingham is a jungle warfare and survival expert due to his intense military training and operations in South America. Deep in the Amazon rainforest, 'Satan's Garden', the Macushi tribe live as one with the rainforest. With fire ant rituals, whipping ceremonies, piranha fishing and 6-foot anacondas, this tribe always survive on edge.

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Renowned explorer Benedict Allen takes eight super-fit members of the public on a punishing global trail to undergo a series of brutal challenges. They were bossed and cajoled by physical trainers and survival experts as they bid to outdo and outlast each other.

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00:00 Intro
02:38 Fire Ant Ritual
09:51 SAS Training
18:50 Whipping Ceremony
24:25 Piranha Fishing
29:20 Living Off Palm Trees
37:12 Facing An Anaconda