Kakashi has a flashback back when he was assigned to be the sensei of Team 7. In a bid to know his students, Naruto, Sasuke & Sakura, better, Kakashi spies on them and to see how they would all get along as a group. Angered by Sakura's talk about calling Naruto a brat and that he has no family to tell him right or wrong, Sasuke tells Sakura she is annoying. Realizing Sakura's sadness, Naruto goes to battle Sasuke, but gets defeated. It then goes back to the present and Kakashi claims that it is up to him to stop Sasuke.
Show: Naruto Shippūden
After 2 and a half years Naruto finally returns to his village of Konoha, and sets about putting his ambitions to work. It will not be easy though as he has amassed a few more dangerous enemies, in the likes of the shinobi organization; Akatsuki.
Iruka's Decision
After discovering a kunai knife with a secret message on it, Naruto winds up being pursued by three kunoichi from the Hidden Waterfall Village. Iruka mangaes to find him, but when the situation grows worse, Kakashi appears to save them both.
Iruka's Ordeal
Iruka struggles to deal with his hate for the Nine-Tailed Fox inside Naruto as he tries to connect with Naruto after seeing him shunned by his peers.
Rookie Instructor Iruka
In the aftermath of the destruction of the Leaf Village, Iruka thinks back to the time when the Third Hokage first gave him the task of being Naruto's homeroom teacher at the Academy, since no one else would take him in.