Watch Super Human Challenge Season 1 Episode 5 Online
- Subtitles: English
Tim meets Dean Karnazes - a man who has run 350 miles without stopping and completed 50 marathons in 50 days, without breaking a sweat. But does Dean's extraordinary stamina make him a real-life Captain America? Tim challenges Dean to three super tests in order to prove, or disprove, these amazing super human powers.
