Kakashi's Gaiden - The Battlefield of a Boy's Life!
Over ten years ago, the Five Great Nations’ were in the midst of the Third Great Ninja War. Future Fourth Hokage Minato Namikaze assigns young Kakashi, Obito of the Uchiha clan, and Rin, on a mission to Kannabi Bridge...
Aired 30/07/2009EP 120 - Kakashi's Gaiden - The Battlefield of a Boy's Life!

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)