Located in Alberta, Canada is the world’s largest known single deposit of oil worth trillions of dollars. However, the oil is trapped in a complex mixture of sand, water and clay, and the cost of extracting the fuel from the soil will cost billions. The episode profiles the competition between the Syncrude and the Shell Oil companies to extract the black gold. It looks at the various mega machines and systems that are used to extract, transport and the process used to separate the oil from the sand. (thetvdb.com)