A Creeping Threat
Asuma apologizes at the grave of the Third Hokage for not understanding his advice concerning what the "king" of the Fire Country is. At the hospital, Naruto and Sai recover, despite Naruto's desire to resume his training. Tsunade receives a report from Kakashi that Akatsuki is on the move. Elsewhere, Yugito Nii, the Two Tails Jinchūriki, struggles against Hidan and Kakuzu and unleashes the Two Tails, but is defeated and captured. Hidan and Kakuzu then turn their attention to the Fire Country for their next target.
Aired 21/08/2008EP 72 - A Creeping Threat

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)