While investigating a heist, the ninjas discover a legendary unreleased arcade game.

The ninjas head to Dyer Island after connecting Jay's disappearance to Prime Empire.

Cyrus Borg discovers a secret about Prime Empire while the ninjas try to reach Level 13.

The ninjas are in unfamiliar territory as they try to find Zane and escape Red Visors.

A Samurai named Okino faces a crisis of faith inside one of the game zones.

The ninjas must obtain three Key-tanas in order to stop Unagami.

The ninjas climb the Cliffs of Hysteria and discover that Unagami is building a portal.

Okino has to choose between helping his allies the ninjas or obeying his Master Unagami.

The ninjas learn that the only way to acquire the second Key-tana is by winning a race.

The ninjas prepare for the brutal Speedway Five-Billion race.

Unagami's soldiers finally discover the secret location of Scott's garage.

The ninja are thrust into the madness of Terra Domina.

Zane and Pixal hit the mean streets of Ninjago City to track down Milton Dyer.

Pixal questions Milton Dyer for information on how to shut down Prime Empire.

Jay must stand alone against Unagami in the endgame.

Jay, Zane and Pixal attempt to prevent disaster by reuniting Unagami with Dyer.

The ninja are invited to attend the birthday party of Princess Vania in Shintaro.

Princess Vania reveals a underground mine beneath Shintaro where its secrets are held.

The ninja attempt to rescue Cole, but soon the ninjas are prisoners too.

The ninja must convince the Munce and Geckles to work together in order to escape.

Jay, Nya and Lloyd are taken to the Munce Home-Cave, where the Munce Queen falls for Jay.

A party of Geckles suspect Kai and Zane of being in league with the Skull Sorcerer.

Separated from the others, Cole must find his way to the surface to alert King Vangelis.

Cole, Princess Vania and Master Wu fall into the bowels of Shintaro Mountain.

Cole, Wu and Princess Vania befriend a motley group of survivors called the Lowly.

Cole, Wu and Vania have to find a way out of the bottom of the mountain.

Nya and Kai try to unite the Munces and the Geckles to defeat the Skull Sorcerer.

Cole, Princess Vania, Wu and the Lowly arrive at a training ground for Earth Elementals.

The ninja, the Munces and the Geckles prepare to confront the Skull Sorcerer.

Cole, the Lowly, Princess Vania and Master Wu blast their way out of the mountain!

Cole and the Upply arrive to rescue Lloyd and the ninja.

The battle for the fate of Shintaro Mountain concludes!