Naruto Shippuuden (dub) Episode 120 -

With his new eye, Kakashi uses the perfected Chidori to defeat the remaining enemies. Minato Namikaze (the Future Fourth Hokage) eventually arrives to finish the battle, but Obito is presumed dead, leaving Kakashi with a lifelong burden of grief and a new philosophy on teamwork. Key Highlights

Kakashi arrives just in time to save Obito from a hidden Stone Ninja, losing his left eye in the process. Inspired by Kakashi's sacrifice, Obito awakens his Sharingan for the first time, allowing him to see through the enemy's camouflage and kill the attacker.

You can find the English dubbed version of this episode on major streaming platforms: (Availability varies by region) Hulu (Common for US viewers) Netflix (Select regions) Naruto Shippuuden (Dub) Episode 120

, titled "Kakashi Gaiden ~ Boys' Life on the Battlefield ~ Part 2," concludes the origin story of Kakashi Hatake and explains how he obtained his signature Sharingan. Episode Summary

The episode picks up with Kakashi and Obito Uchiha at odds over how to handle the kidnapping of their teammate, Rin Nohara. While Kakashi initially insists on prioritizing the mission, Obito's words— "Those who break the rules are scum, but those who abandon their friends are worse than scum" —eventually change Kakashi's mind. With his new eye, Kakashi uses the perfected

Knowing he is dying, Obito offers his remaining left Sharingan to Kakashi as a gift for becoming a Jōnin. Rin, a medical ninja, performs the transplant immediately.

After rescuing Rin from a cave, the enemy triggers a "Rock Lodging Destruction" jutsu. To save Kakashi from a falling boulder, Obito pushes him out of the way and is pinned under the massive rock, crushing the entire right side of his body. Inspired by Kakashi's sacrifice, Obito awakens his Sharingan

It clarifies why a non-Uchiha like Kakashi possesses the Doujutsu.