Kai and Nya stow away with the Hands of Time to save Master Wu, and must help the Elemental Masters prevent Krux and Acronix from re-writing NinjaGo history.

Kai and Nya are blackmailed into using their elemental powers to retrieve the final Time Blade from the Boiling Sea.

Kai confronts his father for aiding the Hands of Time; the team works to free Wu, Cyrus Borg and the other captives.

Nya confronts the Samurai X imposter; Kai pursues the truth about his parents; the others try to locate and rescue Master Wu.

The team celebrates their escape from the Vermillion Army, but Acronix and Krux are determined to get their Blade back.

The Ninja try to save MegaMonster Amusement Park; Jay defends his family's home against Vermillion Warriors.

While the Vermillion Warriors are responsible for a metal theft spree, Lloyd learns that taking over for Master Wu is not an easy task.

Kai's investigation of a Vermillion Warrior helmet leads him to discover that Krux is alive, and living under an assumed identity.

The Ninja learn more about Krux and Acronix, two fallen Elemental Masters, and discover a new enemy, the Vermillion Warriors.

Master Wu engages in a battle with one of the twin Hands of Time, but the Ninja arrive at the monastery just in time.