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5 Episodes 0 - 0
Episode 1
George encounters deadly wildlife and challenging elements before descending into Marum Volcano in the South Pacific.
Episode 2
Mark and George attempt a climb to the bottom of Marum Volcano.
Episode 3
Mark hikes up Mount Washington, New Hampshire, the highest peak in the Northeastern US and battles one of the most dangerous mountains in the world at its peak intensity.
Episode 4
On his home turf in Canada, Mark and his team chase one of nature's deadliest forces, coming face to face with tornadoes' shear strength.
Episode 5
Despite being under the weather, meteorologist and storm chaser Jaclyn anxiously experiences her first Category 4 Tropical Storm, as she and Mark encounter Hurricane Matthew in Florida.