The Ninja of Benisu
During their voyage, Naruto, Yamato, Guy, and Aoba stop at an island to recover from severe seasickness. There, they unexpectedly meet up with Sakura, Ino, and Chōji who are on an assignment to gather medical herbs for Tsunade. Ninja from the village of Benisu are also collecting medical herbs and have taken almost all of the herbs on the island. After an encounter in a cave on the island were Naruto saves the ninja from Benisu, they decide to give Konoha half of the herbs they collected.
Aired 11/08/2011EP 224 - The Ninja of Benisu
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)