Four young men must be trained in the ancient art of Spinjitzu by Sensei Wu in order to fight against the evil skeleton army and save the powerful four weapons.

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.

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 return.

When Cole returns to Yang's haunted temple to seek revenge on the former Airjitzu master who turned him into a ghost, he accidentally uses a powerful dark magic blade that traps him in the temple and unleashes the spectral forms of Ninjago's greatest villains. While Cole battles for his freedom, the ninja must return their ghostly foes to the Departed Realm before they gain the power to remain in Ninjago forever. Also includes six bonus episodes from...

Phantom clone: Yoda and his Padawan students must prevent Darth Sidious from creating a new super weapon--an enhanced Sith clone named Jek-14. Menace of the Sith: Substitute teacher Anakin Skywalker must lead Yoda's Padawan class to victory over Count Dooku's army of Jek clones.