With almost 8,000 kilometers behind them, Pete and Cory face intense headwinds and a dwindling fuel supply. Pete challenges Cory to make the call – turn back or keep going? In Greenland, Marcio and Kerry are going nowhere fast. A bureaucratic mix-up could force them to backtrack 1,000 kilometers. While they cool their heels, Marcio the foodie reluctantly dines out on some local cuisine… whale blubber.