Naruto's Rasengan and Sasuke's Chidori clash, though neither is capable of overpowering the other, and they both are sent back flying. Meanwhile, believing Naruto to be his closest friend, Sasuke prepares to kill him, finding the loss of Naruto to be an acceptable price for the Mangekyō Sharingan.
Kakashi learns of Sasuke's defection and immediately goes after him after trying to reassure Sakura with Kakashi also summoning his ninja dogs for assistance. ' For a Friend…' ( 親友よ!, Tomo yo!) is episode 132 of the original Naruto anime.
