Kai's sister, Nya, is kidnapped and he must learn Spinjitzu from Sensei Wu, a mysterious old man, to rescue her.

When Lord Garmadon brings back to life the original owners of the ninja's ship, the Destiny's Bounty, the Ninjago must stop the pirates from plundering Ninjago City.

"Ever since Lord Garmadon retreated to the underworld, peace has spread throughout the land of Ninjago. But now there is a new threat -- Lloyd Garmadon, Lord Garmadon's son! At first, Cole, Jay, Kai, and Zane don't take Lloyd seriously. After all his main goal is stealing candy from villagers. But all that changes when Lloyd accidentally awakens the Serpentine, a race of powerful snake-headed beasts who've been banished for centuries. Can the four...

Quiet Zane isn't like the other ninja. His weird humor sometimes gets him in trouble with Cole, Kay, and Kai--especially when he leads the ninja into a mission that ends in the destruction of their home in Sensei Wu's monastery. Now Zane must hope that a new path will rise from the monastery's ashes.

In 1611 Japan, English orphan Jack Fletcher continues his difficult training at Niten Ichi Ryu Samurai School, while also trying to get back the rutter, his father's navigational logbook, that an evil ninja wants to possess.

In the village of Konohagakure, school is literally a battlefield where classmates are ninjas-in-training competing to become the greatest ninja in the land.

In the village of Konohagakure, school is literally a battlefield where classmates are ninjas-in-training competing to become the greatest ninja in the land.

Shredder has a plan to mutate the city. Can the Turtles stop him?