Even Akamaru Is Jealous of His Searching Ability! Search for the Phantom Bikouchuu!
Naruto is unable to search for Sasuke due to Tsunade's orders, while Kiba and Hinata wonder how they can help him out. Shino remembers a special type of bug that if it is found, could easily track Sasuke down. they go and discuss it with Tsunade, who agrees to let them search for it, making Shino the leader. Tsunade discovers Naruto eavsfropping the conversation and lets him go with them. But, can they complete a mission with only a 10% success rate? As they travel, Naruto has difficulty dealing with Shino's bizzare behavior. Hinata also sneaks out in the middle of the night to practice some mysterious moves. After two days of travelling, they finally reach their destination. And they're not alone, a mysterious group is also after the same thing.
Aired 17/08/2005EP 148 - Even Akamaru Is Jealous of His Searching Ability! Search for the Phantom Bikouchuu!

Naruto
Naruto Uzumaki, a hyperactive and knuckle-headed ninja, lives in Konohagakure, the Hidden Leaf village. Moments prior to his birth, a huge demon known as the Kyuubi, the Nine-tailed Fox, attacked Konohagakure and wreaked havoc. In order to put an end to the Kyuubi's rampage, the leader of the village, the 4th Hokage, sacrificed his life and sealed the monstrous beast inside the newborn Naruto.
Shunned because of the presence of the Kyuubi inside him, Naruto struggles to find his place in the village. He strives to become the Hokage of Konohagakure, and he meets many friends and foes along the way.
(Source: MAL Rewrite)