The Second Age of the Crusaders Episode 14 "The Beginning of the End"

In this episode we reach a turning point in the history of the later Crusades, as the Crusaders face a devastating battle against Ayub, Sultan of Egypt. This marks not just the beginning of the end for the Crusaders but the start of the rise to power of the Mongols and the Mamluks, both of which will come to dominate the thirteenth century.