The First and Last Opponent
Kakashi and his division continue their fight against the Seven Ninja Swordsmen of the Mist. Suigetsu reveals to Jugo that he wants to reform his own Seven Ninja Swordsmen of the Mist and describes its former members including his brother Mangetsu with their corresponding blades they wield. As the mist gets thicker, Kakashi strategizes with a plan to bind Zabuza. Kakashi makes his attack against Zabuza but Haku blocks the attack. Kakashi recalls Naruto on their first mission as Naruto liked Haku and Zabuza because of their unique bond. Zabuza attacks Kakashi with his Executioner's blade and Kakashi evades even with Haku on his arm and having a sliced wound in his belly. Kakashi retaliates and successfully binds Zabuza. Meanwhile, the second division faces the white Zetsus and at the desert, the second Tsuchikage Mu appears and Gaara on a top of a rock anticipates the arrival of the enemy.
Aired 07/06/2012EP 266 - The First and Last Opponent

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)