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.

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.

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?

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