Shinobi's Decision
As Naruto recovers from his injury, Kakashi prepares to tell him the grim news about his new technique. Meanwhile, Sasuke secretly trains and has an encounter with a strange young girl.
Aired 25/12/2008EP 90 - Shinobi's Decision

2007
Naruto: Shippuden
Naruto: Shippuuden is the continuation of the original animated TV series Naruto. The story revolves around an older and slightly more matured Uzumaki Naruto and his quest to save his friend Uchiha Sasuke from the grips of the snake-like Shinobi, Orochimaru. After 2 and a half years Naruto finally returns to his village of Konoha, and sets about putting his ambitions to work, though it will not be easy, as he has amassed a few (more dangerous) enemies, in the likes of the shinobi organization; Akatsuki.
(Source: Anime News Network)