While searching for his parents, Arin and the Ninja rescue a baby dragon, uncovering a new mystery and mission for the team.

The Ninja reach the gateway to the Tournament of Sources only to discover they have not been invited, they break into the City of Temples to earn their entry as Kai and Bonzle evade the remaining Forbidden Five as they try to escape the Nether-Space.

Arin continues his investigation into the missing horns but makes time for Frak, who Sora suspects is working for Ras and Nya's first match pits her against Jay, still with no memory of their past.

Arin learns a devastating secret about the Merge and confronts Lloyd as Cole stays behind to protect the dragon horns. Sora faces off against Nokt, and Wyldfyre is too late to stop the manipulation of the games.

Arin and Sora develop new powers that just might help them confront the dragon hunters. Can the Green Ninja teach them how to harness their abilities?

On training day, Arin and Sora sneak out of the monastery to attend the Crossroads Carnival and uncover a villainous plot that tests their skills.

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?

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.

To bust the imprisoned dragons out of Imperium, the Ninja will need to work hard, think fast and find one big exit! Unless the Photacs get there first.

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."

When the Ninja split up to find the three Dragon Cores, Arin and Lloyd take the airship but soon need help from a village of peaceful algae farmers.

Mr. Frohicky and Zane head to the Crossroads to locate a Wyconium coil. Elsewhere, Wyldfyre's pranks complicate her and Kai's Dragon Core quest.

Sora and Nya search for the Dragon Core with a magical compass. Arin and Lloyd get put to the test in Mother Garden. Wyldfyre and Kai play keep-away.

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.

Empress Beatrix's rampage pushes the MergeQuakes dangerously close to the tipping point, unless the Ninja can work together — and save the world.

When some mysterious and dangerous Chronosteel is discovered in Ninjago, the ninja must find it before it falls into the wrong hands. What could possibly go wrong? Well, a lot actually. Don’t say we didn’t warn you!

Ice dragons? Lava-Tide chefs? Ninja covered in noodles?! WARNING: it’s about to get weird. Don’t miss the epic finale of The Elemental Mechs short series.

The Ninja interrogate a shifty shopkeeper about a stolen mallet. Could the ancient tool be connected to the Cloud Kingdom archives — and Lloyd's visions?

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

Bonzle and her team set out to search for a certain sorceress, but first they'll need a map. Meanwhile, Arin struggles with his Spinjitzu training.

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