LEGO Ninjago: Masters of Spinjitzu

The Ninja receive an invitation to the Tournament of Elements with a clue that Zane might be alive. They travel to Master Chen's island to save their friend. (S4, ep 1)

When the Ninja meet the deceitful ruler Master Chen, they realise they are in a tournament where 'only one can remain'. (S4, ep 2)

The Ninja stay in the tournament in order to find Zane, but Master Chen complicates things by changing the bracket and pitting Jay against Cole. (S4, ep 3)

Chen organises a ludicrous rollerskating event called Thunderblade, and all the contestants team up against the Ninja. (S4, ep 4)

The Ninja create a secret alliance of elemental fighters, and Nya goes undercover to find out what Chen is plotting. (S4, ep 5)

Nya has proof of Chen's plan, but he entices the contestants to hunt her down with promises to advance the winner. (S4, ep 6)

After stealing the remaining contestants' powers, Chen only needs Lloyd's power to complete the spell. (S4, ep 7)

Chen has failed to bring the return of the Serpentine War - but Clouse reveals there's another way. (S4, ep 8)

The Ninja reunite with Wu and turn to the aid of a shrunken Pythor to figure out how to defeat the unstoppable Anacondrai. (S4, ep 9)

The Ninja discover a strategic location where they can make their last stand against Chen's army - but their forces still aren't strong enough. (S4, ep 10)