The ninja have been locked up in Kryptarium Prison where they are surrounded by some of their old enemies. Here they learn a mysterious Crystal King is recruiting a council of evil enemies. To find out the identity of this new enemy, they escape from prison and become fugitives. Who is the Crystal King? Why is he gathering a powerful counsel? Get ready for another action-packed mission with the ninja!

When Nya's powers are disrupted, the Ninja set off in search of answers and find themselves at the bottom of endless oceans where they discover that her powers are linked to an ancient mythical creature.

The ninja embark on a rescue mission to a mysterious and uncharted island.

The ninja are invited to the beautiful Shintaro Kingdom to celebrate the young Princess Vania’s birthday. At first glance, the Ivory City looks like a pristine place, but the ninja soon uncover a dark, obscure, long-forgotten underworld: The Dungeons of Shintaro. Once inside, they must fight their way to freedom through a maze of tunnels paved with dangers and strange creatures ruled by the merciless Skull Sorcerer. The ninja must choose their path wisely…

In the hyped video game, Prime Empire, you can be whoever you want to be. Jay, ever the avid gamer, can’t wait to start playing. But when hundreds of players, and Jay, suddenly start vanishing without a trace, the ninja need to get inside the game and find out who is playing Unagami. Now they must compete in adventures and difficult game worlds, win all three Key-tanas – and only then can they face the evil Unagami. Can they reach the final level and beat the game?

Basking in the glory of their recent victory, the Ninja embark on a new adventure to explore a mysterious pyramid – just for a little light rest and recovery, of course. But has success lulled our heroes into a false sense of security? When the Ninja accidentally set an ancient threat loose, nothing could ever have prepared them for the mayhem that follows.

The Oni are coming … As demonic darkness descends upon the realm of Ninjago, the time has come for our heroes to rise again and protect the land that all Masters of Spinjitzu call home. It is a world filled with a rich history and legacy, and it is from here where our ninja heroes must unlock an even greater power to defeat the darkness that is marching towards them. What could these shapeshifting dark forces be, why do they want to destroy Ninjago, and how can they be defeated?

While Lloyd and Nya resist Emperor Garmadon's oppressive hold on Ninjago City, Young Wu and the rest of the Ninja are stranded in a barbaric realm where fierce dragons are being hunted down by Iron Baron and his gang of Dragon Hunters. Lloyd must endure in Ninjago City, the others need to find the fabled Dragon Armor if they ever hope to get back home to stop Emperor Garmadon once and for all.

The ninjas race to save Lloyd, as a more powerful-than-ever Lord Garmadon creates an enormous Colossi to help him rule Ninjago and defeat the ninja.

In season seven, Kai and Nya finally learn the truth about their long lost parents, Master-in-Training Lloyd tries to fill in for a weakened Wu and an all-new Samurai X returns.

A new evil named Nadakhan the Djinn is released and a new age of piracy begins. It is up to the Ninja to stop him.

In an epic quest to save Lloyd, the Ninja will travel to uncharted lands, meet new allies and gain powerful weapons, unlock unknown powers, all while battling the supernatural Cursed Spirits in an effort to stop a monstrous deity from cursing all of Ninjago.

After the loss of Zane, the Ninja question whether they are still a team. But when they receive a mysterious invitation to take part in the Tournament of Elements, they get a clue that Zane may be well and alive. And our heroes set out to rescue their friend.

After a time of peace, the Ninja are called back into action as they learn the Overlord seeks to steal Lloyd's golden power to enable him to escape his digital prison and reign as the great prophesized destructor, “The Golden Master.” To aid his villainous plot, the Overlord created a new technological menace more powerful than any foe the Ninja have ever faced - Nindroids.

Since Lord Garmadon's disappearance, Ninjago has been at peace; but when Garmadon's son releases the five ancient tribes of the Serpentine, the Ninja had to learn how to unlock their full potential to combat the growing threat.

After years of peace, Ninja masters Kai, Jay, Zane and Cole are forced to come out of retirement to take on Lloyd Garmadon, the son of their archenemy. When Garmadon releases an army of sinister snake people to help him conquer the land of Ninjago, his evil plan goes awry as he loses control. Soon, Garmadon is himself taken prisoner by the manipulative snakes! In an unlikely twist of fate, Garmadon must join forces with the ninja to stop an enemy that prophecy warns will cast their world into eternal darkness.

Season 0 of House of the Dragon premiered on January 13, 2011.