Incredible Heroes

In a blink of an eye, anyone can find themselves in a life-threatening situation where you may need to react out of courage or impulse to save countless others. "INCREDIBLE HEROES" showcases tales of bravery where ordinary people reacted heroically in extraordinary situations. Whether they disrupted a shark attack or ran into a burning house, this series examines the psychology behind these valiant acts and explores what makes people put their lives on the line and attempt to overcome unthinkable challenges. (Source: http://www.investigation.discovery.com)