Genghis Khan: The Secret History of the Mongols (season 1)

When the neighboring empire attacks a Mongol caravan and Genghis Khan's envoys, he unleashes a campaign that annihilates the empire and solidifies Mongol dominance in Persia; he names his son Ogedei as his successor before his death

You can watch 1 season of the series Genghis Khan: The Secret History of the Mongols online for free in good HD quality on Kazakhtelecom.