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Episode Title:King of Shadows/Weapons of Destiny.Episode Description:King of Shadows: The Ninja successfully recover three of the four golden weapons, leaving only the Sword of Fire. But dangerous confrontations will have to be made to keep the weapons out of Garmadon's reach.
Weapons of Destiny: Wu takes the Sword of Fire to the Underworld and battles Samukai, who has the rest of the golden weapons. The ninja use the guardian dragons to get to the Underworld.