S1, E2: The few short months of an Alaskan summer must sustain the wildlife for the whole year. No matter how hot it gets, winter is just around the corner, and there is much to do before the sun sets again. Twenty-four hour sunlight brings its own problems: forest fires, Sahara-like sand dunes in the Arctic Circle and the very speed of seasonal change serve as reminders as to how untameable Alaska is.