Season one: Ninja heroes Kai, Jay, Zane, and Cole are trained in the ancient art of Spinjitzu by Sensei Wu in order to take on Lloyd Garmadon, the son of their archenemy, who has released sinister snake tribes in his attempt to conquer the land of Ninjago. When his plan goes awry, Garmadon joins forces with the ninja to stop an enemy prophesied to cast their land into eternal darkness. According to ancient legend, one ninja will rise above the rest...