The UnXplained: Season 4, Episode 9

4 - 9: Superhuman Feats

Some people are capable of the seemingly impossible. Whether surviving freezing temperatures, diving unfathomable depths on one breath, or lifting objects of mind-boggling weight, superhuman feats never cease to amaze. But how do these superhumans pull them off? Is it a matter of training, willpower, genetics, or something more mysterious?