This episode examines how Genghis Khan emerged from obscurity, united the Mongol tribes under his banner, and transformed an obscure nomadic people into a most formidable fighting machine.

By the middle of the 13th century, Europe was reeling from the Mongol invasion. A monk visited and saw the enthronement of Genghis Khan and preparations for the Holy Land invasion.

This episode traces the life of the fifth Great Khan, Kublai Khan, who preferred to make his home in China, where he ruled as the first emperor of the Yuan dynasty.