The Ten Tails Jinchuuriki
Obito completely absorbs the giant Ten Tails, undergoes a transformation and becomes the Ten Tails' Jinchuriki.
Aired 18/09/2014EP 378 - The Ten Tails Jinchuuriki
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)