Episode 1
A group calling themselves the "New Ninja" tries to stop a vengestone smuggling mission while the ninjas attempt to deal with Nya's disappearance.
Episode 2
On a ship out at sea, a sailor falls into the water during a perilous storm. To the crew's surprise, he's quickly placed back on board.
Episode 3
The ninjas' investigation into the vengestone smuggling mission leads them to an abandoned subway line — where they run into the New Ninja.
Episode 4
The ninjas visit the mayor with an unusual appeal: to request the release of one of their worst enemies from Kryptarium Prison!
Episode 5
In a strange twist of fate, the ninjas successfully break Aspheera out of prison. But to save Nya, they'll also need to steal back Aspheera's staff.
Episode 6
As they wait in the monastery for the ninjas to return, Aspheera and Master Wu compete in a series of tests of strength and cunning.
Episode 7
After freeing Aspheera to save Nya, the ninjas land up in Kryptarium Prison, where they are surrounded by their old enemies.
Episode 8
Crystal spiders continue to recruit villains to join the council of the mysterious Crystal King. Nya is reminded of her days as Samurai X.
Episode 9
While the ninjas are tasked with prison labor in the desert, Nya and Dareth intercept the bus and help them escape.
Episode 10
After splitting up with the others, Zane, Kai and Dareth make their way through the desert and catch a ride with a girl who ran away from home.
Episode 11
The ninjas reunite at Twitchy's and try to figure out which villains have already joined the Crystal King's council — and who will be next.
Episode 12
The ninjas try to track an undercover Lloyd as a crystal spider leads him under Ninjago City — and straight to the council of the Crystal King.
Episode 13
Harumi tells the story of how she went from the princess of Ninjago to the leader of the council of villains.
Episode 14
Federal Marshal Hounddog McBrag knocks on Master Wu's door. Beneath Ninjago City, the ninjas search for Lloyd — who tries to reason with his captor.
Episode 15
The ninjas are trapped in an old subway car in a collapsed underground tunnel. Master Wu and gang defend the Weapons of Spinjitzu.
Episode 16
As Lloyd awakens to terrible news from Harumi, the ninjas wait underground for Nya and the gang to rescue them. But will help arrive in time?
Episode 17
The council of villains resurrects a powerful old foe. Lloyd watches in horror — and later, makes a daring escape attempt.
Episode 18
Master Wu and the ninjas plot a heist at the police impound lot to take back the Bounty. In Primeval's Eye, Lloyd and Harumi traverse the jungle.
Episode 19
The Overlord realizes that an attempt to destroy the ninjas could unleash their powers and thinks of a new plan. Lloyd and Master Wu chase a lead.
Episode 20
At the home of Vinny of NGTV News, Lloyd and Master Wu discover a most unexpected houseguest and listen to his curious tale.
Episode 21
As the ninjas battle the seemingly invincible Vengestone army, Master Wu and Lloyd outline a possible path to victory.
Episode 22
Pixal makes some modifications to the ninjas' vehicles, and they head out into battle. But the Overlord has been holding back.
Episode 23
As the battle against the Crystal King rages on, Nya is trapped beneath the rubble. The Paperkids spring into action to defend Ninjago City.
Episode 24
Lloyd saves Hounddog McBrag, Master Wu learns of an ancient prophecy and Pixal and a damaged Zane run into convicts who escaped from Kryptarium Prison.
Episode 25
Skylor helps Cole and Kai out of a tough spot. After running into Jake at the arcade, they all follow Master Wu's clues to the Paperkids hideout.
Episode 26
Kai attempts to define his relationship with Skylor... but his timing might be off. Dr. Borg tells Pixal that Zane is in a coma.
Episode 27
The ninjas split up to try and send distress signals to their allies. Lloyd wonders if Garmadon is capable of "complassion" after all.
Episode 28
Master Wu explains the Dragon form — but the ninjas don't have much time to figure it out after the Overlord learns their whereabouts.
Episode 29
Lloyd and Garmadon meet the Overlord in an epic showdown. The ninjas get help from their allies to defeat the Vengestone army — but it may be too late.
Episode 30
Thanks to the sacrifices made by his loved ones and fellow ninjas, Lloyd taps into a deep, ancient power to vanquish the Overlord.
