Episode Title:The Curse of the Golden Master.Episode Description:The ninja journey under Ninjago City to visit the Serpentine, believing the white scale belongs to one of them. Instead, they find out that the Serpentine became a civilized race and are told the legend of the Curse of the Golden Master. Eventually, an army of Nindroids attacks the Serpentine, and the ninja protect them. In the meantime, Lloyd and his father encounter an army of Nindroids in Hiroshi's Labyrinth. Lloyd tries to escape, but is cornered by the Nindroid Mechdragon and ambushed by the hooded stranger, who reveals himself to be Pythor, having survived the Devourer. Lloyd is taken aboard the Mechdragon and flown off.