After discovering that Zane may still be alive, the ninjas learn that they must compete in a Tournament of Champions if they wish to see him again.

The team learns about Jade Blades and other secrets of the Tournament of Champions. Karlof is eliminated from the competition.

The contests begin, and soon Cole is forced to battle with Jay. Zane regains his memory with help from P.I.X.A.L.

The remaining Elemental Masters compete in a roller skating competition. Cole, Karlof and other eliminations must work in Chen's noodle factory.

The ninjas form an alliance with the Elemental Masters after revealing Chen's plan. Cole and Zane break out of the noodle factory.

Lloyd and Garmadon learn of the great battle that once took place between Chen, the Anacondrai and the Elemental Masters for control of Ninjago.

It appears that all is lost when Chen drains the powers of the Elemental Masters and vanquishes Lloyd in battle to take control of his as well.

Chen and his army invade Ninjago City, but the masters have escaped the noodle factory and follow close behind. Garmadon narrowly escapes banishment.

Master Chen uses a spell to turn himself and his troops into fierce Anacondrai, but the ninjas visit Ninjago City's jail to recruit an unusual ally.

The final confrontation between the ninjas and the Anacondrai unfolds, but a great sacrifice must be made if the heroes are to save the day.

The ninjas find themselves going from famous heroes to hunted villains when someone impersonates them and commits crimes all over Ninjago City.

While Nadakhan schemes to steal the Realm Crystal, the fugitive ninjas are pursued by Ronin, who has been hired by the police to track them down.

Falsely imprisoned, the ninjas meet a fellow captive who knows of a rare venom that can stop a Djinn like Nadakhan, but it's only found on one island.

Nadakhan talks Jay into making a wish to win over Nya, first mate Flintlocke accidentally destroys the Realm Crystal, and Cole steals Soto's map.

As large areas of Ninjago City vanish, the ninjas head to Tiger Widow Island, where Jay collects the precious venom with Nadakhan in hot pursuit.

Marooned on Tiger Widow Island, Lloyd, Cole and Nya try to escape on a raft, while a captured Jay battles Nadakhan's crewmates for their amusement.

After lessons in how to talk like pirates, the ninjas infiltrate Nadakhan's ship on a mission to slip him the venom and rescue Jay from captivity.

Flintlocke leads a mutiny, believing Nadakhan will abandon his crew once he has the power of infinite wishes, but the Djinn prevails and captures Nya.

While Nya is forced to rehearse for her wedding to Nadakhan at the Djinn Temple, Jay recruits a new team for a mission to rescue his friends.

Nadakhan marries Nya and gains the power of infinite wishes, but Flintlocke and Dogshank join the ninjas to fight the Djinn in an epic final showdown.

A group calling themselves the "New Ninja" tries to stop a vengestone smuggling mission while the ninjas attempt to deal with Nya's disappearance.

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.

The ninjas' investigation into the vengestone smuggling mission leads them to an abandoned subway line — where they run into the New Ninja.

The ninjas visit the mayor with an unusual appeal: to request the release of one of their worst enemies from Kryptarium Prison!

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.

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.

After freeing Aspheera to save Nya, the ninjas land up in Kryptarium Prison, where they are surrounded by their old enemies.

Crystal spiders continue to recruit villains to join the council of the mysterious Crystal King. Nya is reminded of her days as Samurai X.

While the ninjas are tasked with prison labor in the desert, Nya and Dareth intercept the bus and help them escape.

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.

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.

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.

Harumi tells the story of how she went from the princess of Ninjago to the leader of the council of villains.

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.

The ninjas are trapped in an old subway car in a collapsed underground tunnel. Master Wu and gang defend the Weapons of Spinjitzu.

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?

The council of villains resurrects a powerful old foe. Lloyd watches in horror — and later, makes a daring escape attempt.

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.

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.

At the home of Vinny of NGTV News, Lloyd and Master Wu discover a most unexpected houseguest and listen to his curious tale.

As the ninjas battle the seemingly invincible Vengestone army, Master Wu and Lloyd outline a possible path to victory.

Pixal makes some modifications to the ninjas' vehicles, and they head out into battle. But the Overlord has been holding back.

As the battle against the Crystal King rages on, Nya is trapped beneath the rubble. The Paperkids spring into action to defend Ninjago City.

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.

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.

Kai attempts to define his relationship with Skylor... but his timing might be off. Dr. Borg tells Pixal that Zane is in a coma.

The ninjas split up to try and send distress signals to their allies. Lloyd wonders if Garmadon is capable of "complassion" after all.

Master Wu explains the Dragon form — but the ninjas don't have much time to figure it out after the Overlord learns their whereabouts.

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.

Thanks to the sacrifices made by his loved ones and fellow ninjas, Lloyd taps into a deep, ancient power to vanquish the Overlord.