After learning that Wu's staff holds a clue to the First Spinjitu Master's tomb, the ninja go to Stiix to retrieve the stolen Airjitzu scrolls.

While Wu trains Nya in her new water powers, the ninja plot to steal the Airjitzu scrolls from Ronin but find that they must first fight Morro.

The ninja go to Sensei Yang's dangerous haunted temple to learn Airjitzu, and Nya quits her training but must use her powers to elude Morro's ghosts.

Using their new Airjitzu powers, the ninja race to climb a perilous mountain to find the Sword of Sanctuary before Morro can claim it.

After being betrayed in the Cloud Kingdom, the ninja battle Morro for the Sword of Sanctuary and learn he is ultimately after the Realm Crystal.

As the ninja close in on their final clue to the location of the First Spinjitzu Master's tomb, Ronin steals the Sword of Sanctuary to give to Morro.

The ninja journey to the First Spinjitzu Master's tomb to claim the powerful Realm Crystal, but they must navigate a series of traps -- and Morro.

As the ninja race to keep Morro from releasing the Preeminent, Morro uses the Realm Crystal to summon an army of ghosts from the Cursed Realm.

While the ninja try to protect Stiix, Lloyd encounters his father in the Cursed Realm, and Nya unlocks her true potential to take on the Preeminent.