In New Zealand, the White Island volcano erupts, with deadly consequences.

We hear stories of survival and see what it's like to endure raging wildfires, biblical floods and deadly avalanches. Sometimes these death-defying escapes are down to luck, but often its people fighting back against the force of nature — helped by fearless first responders and heroic good Samaritans, who swoop in just in time. Get ready to experience the most extreme elements on earth! In the Grand Canyon, a massive microburst causes a dangerous deluge of mud and rocks to barrel down on a group of kayakers — leaving them in need of urgent medical assistance. In Iowa, a rare derecho storm — similar to an inland hurricane — is caught on camera by a 14-year-old storm junkie. A snowboarder in Utah is left in agony after an off-piste adventure goes wrong — leaving him to rescue himself from a snowy mountain. In a suburban Californian community, wildfires leave families fleeing for their lives. And in Australia, a category three cyclone barrels into a coastal community.