Naruto and his friends get their first mission--to protect a man named Mr. Tazuna, a famous bridge builder; but Naruto also meets up with his first real enemy, Zabuza, the Demon of the Mist, who wants to make sure Naruto fails his mission.
Cole, Jay, Kai, and Zane follow Sensei Wu to the underworld to retrieve three of the Four Golden Weapons from Samukai, but their dangerous journey has a surprising conclusion when Lord Garmadon reveals a secret plan.
The Masters of Spinjitzu are stuck on a comet, having traveled through space to save the World of Ninjago from the Nindroids. As they race through the stars, it becomes apparent that they are not alone on the comet. Something has stowed away, something not of their world.