Fire and Water

S1, E4: Following in the footsteps of the Klondike gold rush, George heads north to the Yukon Territory and Alaska, but it's not gold he's seeking. It's the intense summer wildfires that often plague the area during their 24 hours of daylight. He travels by train, bike, plane and whitewater raft to reach the fires but Mother Nature has other plans for him and doesn't make things easy.