Master and Student

 is episode 151 of the Naruto: Shippuden anime.

Synopsis
Shiranami uses Hotaru to cause a small explosion in the surrounding area slightly injuring Naruto and Utakata. However, they are both reveived and proceed in trying to stop Shiranami's takeover of the village. Utakata stops Shiranami with his bubble binding technique and at this point, the Forbidden justu begins to take over Hotaru's body. Shiranami flees the scene knowing that the jutsu is now out of control and the latter is able to destroy the village and surrounding areas. Naruto chases behind him. It is then that Utakata meets with Hotaru in a spiritual intervention of master and student and stifles the explosion by going into the six tails form. The village is now in peace and Utakata accepts Hotaru as a student. He leaves her momentarily to meet with Hidden Mist ANBU to find only the Six Paths of Pain. The Asura Path traps him in a barrage of bullets known as Flaming Arrow Missiles and this leaves him crushed under a cliff. On the verge of death, Utakata sends a myriad of bubbles where Hotaru is awaiting his return.