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Thom Hunt heads to Nevada, to meet Dean Karnazes, an ultramarathon runner who’s taken endurance running to a level that defies human biology.
Thom's latest quest introduces him to Annalisa, who has the worlds loudest shout and to Brad Byers, who has the ability to force metal objects up his nose.
Thom travels to the UK to track down real life rubber girl Claudia Hughes, a contortionist whose extraordinary flexibility defies human physiology.
On this leg of the search, Thom meets a man capable of squirting liquid from his tearducts and a man who claims to have heatproof hands.