An ancient Chinese artifact has been stolen by a villainous archaeologist named Dexter. With the help of his Lemming friends, Norm must keep his word and embark on a journey across the world to help recover the artifact for the people of China.

When Norm returns to New York, he is falsely accused of a crime and must work with his pals to get the case dismissed while also protecting his kingdom in a winner-take-all hockey tournament.

Os ninjas se juntam ao Lorde Garmadon para lutar contra a invasão dos Oni. Mas a causa parece inútil, já que Cole está perdido e nem o poder das Quatro Armas de Ouro do Spinjitzu é suficiente para deter a onda de destruição dos demônios.