107: Naruto Episode

Driven by a need to prove himself, Sasuke challenges Naruto to a fight on the hospital rooftop.

The episode highlights Sasuke's descent into darkness as he realizes his "sword to protect bonds" (Chidori) was unable to scratch Itachi, while Naruto's power is rapidly surpassing his own. Naruto Episode 107

Just as the two are about to clash, Sakura runs between them to stop the fight. Kakashi arrives at the last second to redirect their attacks into water tanks, revealing the devastating difference in power between their respective jutsus. Why This Episode Matters Driven by a need to prove himself, Sasuke