The ninjas discover that their friend Zane may still be alive, but to get him back, the team members must fight in a tournament on an undocumented island with others who have unique elemental powers.
The ninjas discover a good spot to make their last stand against Chen's army; Pythor escapes and finds one spell that could end the war.
The Ninja reunite with Wu and turn to the aid of a shrunken Pythor in order to figure out how to defeat the unstoppable Anacondrai.
Chen fails to bring the return of the Serpentine War; Skylor finally sees her father for who he truly is.
Chen needs Lloyd's power to complete the spell; Chen tries to enlist the Fire Ninja.
Nya has proof of Chen's plan, but he entices the contestants to hunt her down; Lloyd discovers Chen's plan to steal everyone's power.
Chen upends the alliance by promising the Staff of Elements to the victor; he too has a spy in the tournament.
Four ninja warriors battle dark Lord Garmadon and his skeleton army.
The Ninja stay in the tournament to find Zane. They get past the first round, but things get complicated.
Lloyd learns that his father used to train under Master Chen; the Ninja realize they are in a tournament where only one can remain.
The Ninja are invited to partake in the Tournament of Elements; there is a clue that Zane may be alive.