Pain vs. Kakashi
Kakashi continues to fight against Pain. With the arrival of Chouji and Chouza, things start looking up, but Pain's not out of tricks just yet.
Aired 06/05/2010EP 159 - Pain vs. Kakashi

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)