To save Cloud Kingdom, the Ninja must work together to send a terrifying tentacled beast back where it came from and close the Mergequake — and fast!

When the Ninja meet their match in a Photac — an indestructible techno-beast — Sora believes that a mission to Imperium is the only way to destroy it.

In Imperium, Arin mentors a group of eager young crimefighters. Sora confronts a villain from her past. Lloyd frees an Elemental Master from prison.

Sora hacks into the Imperium logs to find Riyu. Nya and Kai explore a mysterious passageway. Lloyd leads an epic battle against an army of Photacs.

Ninja never quit! Nya, Kai and Zane give the battle against Imperium new hope while Lloyd uncovers a mystery hidden deep below the city.

To stop the MergeQuakes from getting worse, the Ninja travel to the Temple of the Dragon Cores to learn more about something called "The Coalescence."

Nya's Seeker Stones lead her and Sora to something they weren't searching for. As Zane's Assistant Keeper, Mr. Frohicky can't do anything right.

In the Land of Lost Things, Nya runs into an old pal while Sora looks for an alternate power source to ward off a junkyard monster called "The Hoarder."

While the Ninja try to figure out a way to bypass Imperium's energy barrier, Empress Beatrix tests a deadly weapon powered by stolen Dragon Cores.

To meet the legendary teacher from Lloyd's visions, the Ninja must pass a series of tests. But will the ancient master live up to their expectations?

The Ninja begin their training to defeat the Forbidden Five, but Wyldfyre feels left behind. Bonzle reveals an unexpected connection.

Sorceress searches the storehouse for a spell to rescue Bonzle while Arin intercepts a special package. Then, the remaining Ninja infiltrate the ritual.

The Ninja get a big surprise when they arrive at the Tournament of the Sources, while Kai and Bonzle contend with the Forbidden Five in the Nether-Space.

Arin runs into an old friend at the Tournament of the Sources, the Ninja explore the City of Temples, and Lloyd sees a strangely familiar face.

Master Wu sets out to discipline the Ninja — through dance! Arin reunites with Frak, who Sora doesn’t trust, and the fighting gets underway.

Nerves fray and tempers flare as the Ninja prepare to compete. Wyldfyre squares off against Cinder, leading to a serious setback for the gang.

As the Ninja fight to win the Temple Race, Ras makes a shocking claim to Arin — putting him at odds with his friends — just as the tournament heats up.

Kai makes a discovery that allows him to speak with his sister. Arin visits the Temple City museum where he has a breakthrough about the missing horns.

Wyldfyre teams up with Arin to find out if Roby is behind the stolen horns. Later, at Bleckt’s office, they make a startling discovery.

Master Wu confirms Arin’s worst fears, and the location of the horns comes to light. Later, Wyldfyre drops a truth bomb at the tournament.

The Wolf Mask army battles the Elemental Masters as the Ninja converge on the Monastery of Gates to stop Nokt from freeing the Forbidden Five.

The reunited Ninja learn of the Forbidden Five's dangerous quest to find the Prismatic Blades. Meanwhile, Ras leads Arin across a desert.

Heavily outnumbered, the Ninja race to stop the Forbidden Five from freeing Thunderfang. Wyldfyre desperately tries to cure one of the crew.

With the sacrifices, spell and Blood Moon in his control, Lord Ras has everything he needs to unleash the Forbidden Five — unless the Ninja can act fast!

When the Bounty airship returns with no captain, Arin, Sora and Lloyd use clues to figure out what happened to Kai. Is it a trap... or something worse?