Bitter Enemies Together
Guren tries to attack Naruto within the Three-Tails, but, in her weakened state, is unable to do so and passes out. Meanwhile, Kakashi tells Sakura and Ino to heal Yūkimaru while he, Shizune, Kiba, Sai, and Hinata search for Naruto. Naruto and Guren soon encounter a horde of mini Three-Tails that try to attack them, but they evade them and begin to argue about Yūkimaru. While Yūkimaru awakens, Naruto summons a bunch of Shadow Clones to look for a way out of the beast's stomach. Elsewhere, Kabuto gives Curse Marks to Rinji's men.
Aired 30/04/2009EP 107 - Bitter Enemies Together

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)