昔日有一妖狐作祟，此狐有九尾，狐動其尾其山崩落、海嘯起，百姓不堪其擾，召集村中所有忍者，其中有一忍者奮力對抗將妖狐封印，最後也力盡而亡，此忍者即為第四代火影。木葉村盛傳鳴人即為妖狐，雖然村中有絕對不能說的規定，但大家仍然對鳴人採取敬而遠之的態度，這種態度也影響到村裡的小孩。不受重視的鳴人，只好以惡作劇的方式引起大家注意，只不過結果總是適得其反，還好學校的老師伊魯卡真心相待，而第三代火影也很體諒鳴人心中的苦楚，常常替鳴人的惡作劇善後…。雖然如此，鳴人還是受奸人所利用，偷盜封印之書，還好伊魯卡及時相救，總算沒有釀成大錯…。

鳴人他們終於開始執行正式的任務，只不過首次出任務，竟然是為了去抓一隻走失的寵物貓，鳴人為此極為不平衡，後來在他的極力爭取之下，總算接到了Ｃ級的任務，雖然是Ｃ級，卻也在過程中遇到了非常驚險的意外，遇到了中忍級別的忍者,連卡卡西都覺得不太對勁，甚至懷疑起對方行刺的對象到底是他們負責護衛的老頭子，還是另有他人…？而鳴人在面對敵人時非常害怕,不但受傷,還被佐助嘲笑,鳴人因此下定決心不再恐懼.

Naruto has a dangerous encounter with Haku in the forest, but is Haku there to cause trouble? Naruto and Sasuke better complete their training, as Zabuza is alive and has returned for round 2. Will Kakashi, Sasuke, and Sakura be able to defeat the Demon of the Mist? And, can Naruto arrive in time to help out?

Naruto and Sasuke continue to fight Haku and are getting beaten bad. After having Naruto try and escape a few times, Sasuke begins to see a pattern. Meanwhile, outside Kakashi and Zabuza begin their fight. Can Naruto and Sasuke escape from Haku's jutsu? What plan does Zabuza have to defeat the Sharingan?

As time ticks away, Naruto's only hope of passing the test lies in the final question. However, there is a requirement to answering the final question. If you choose not to answer it, you fail the test and can try again next time. But, if you choose to answer it and get it wrong, you can never take the test again and must stay a Genin forever! What will Naruto's choice be?

Lee in his weakened state is having trouble defeating Dosu. Sakura realises everyone has been protecting her until now and that its her time to protect them! Can Sakura succeed where even Lee failed?

Sakura and Ino prepare to settle the score once and for all! However, when Sakura becomes the victim of Ino's Mind-Body Switch Justu, will she be forced to give up the match?

As the battle between Lee and Gaara continues, Gai remembers how hard Lee used to train and how Lee has pretty much no ninjutsu or genjutsu skills. Lee is also a dropout, like Naruto. In order to defeat Gaara, Lee will have to use the move Gai forbade him to use.

Overjoyed at his success, Naruto manages to enrage Gamabunta. With him not willing to accept that Naruto was able to summon him, Naruto challenges Gamabunta to accept him as his subordinate if he is able to stay on his back until sundown.

Naruto, Sakura, Shikamaru, and Pakkun are being chased down by several Sound ninja. Shikamaru decides to stop and try to hold them off so the others can catch up to Sasuke without fear of pursuit. Shikamaru is the logical choice because of his Shadow Possession Jutsu...needless to say, Shikamaru's not too thrilled by this.

As Sasuke is about to be defeated, Naruto and Sakura show up to save him. With this Gaara begins to have flashbacks of his childhood. What happened in Gaara's past to make him experience so much suffering?

As the war draws to a close, Gaara admits his defeat to Naruto, and Orochimaru is forced to retreat as Sarutobi took away his arms. Now, all of the Konoha shinobi gather together to pay their respects to the person whom they respected the most...Sarutobi, the Third Hokage.

Naruto continues his training of the Rasengan, having mastered the stages of spin and power. The final stage proves to be the most difficult: control. Meanwhile, Orochimaru and Kabuto accost Tsunade and ask her to restore Orochimaru's arms. If she restores Orochimaru's arms, he promises to use his Rebirth of the Impure World kinjutsu to revive her lost lover and little brother.

The group are on their way back to Konoha when they stop at a town with hotsprings. Unknown to them they are being watched by men looking for Tsunade. Naruto's room gets raided and the necklace he was given goes missing with nothing but a ransom note left behind. What does it all mean? Can Naruto get the necklace back and why are they looking for Tsunade in the first place?

While the Shinobi that is working for Wasarabi begins to beat up Idate, Naruto, Sasuke and Sakura finally reach the same island. However, some old enemies appear to get in their way once again! Will they manage to find Idate and rescue him before its too late?

Sasuke takes on all four Sound Ninja, but soon learns it's going to take more than Chidori to defeat them!

With his life on the line against the Sound Ninja Jirobo, Choji looks back on the seeds of his friendship with Shikamaru. Can he defeat his fearsome opponent without any Chakra?

Rock Lee's back and he's full of a special medicine that has Kimimaro on the run! Can he take out the fifth Sound Ninja?

卡卡西出任務回來後，得知綱手派一群菜鳥去追佐助，感到相當不可思議，當下就放下新的任務，追尋兩人下落…另一方面，佐助和鳴人之間的對決，似乎已是勢在必行，雖然兩人都承認彼此是好朋友，但是佐助為了得到萬花筒寫輪眼，一心想致鳴人於死地，此舉讓鳴人頗為困惑，既然是好朋友，又為什麼要傷害對方呢？雖然如此，鳴人仍然抱著無論如何都得帶回佐助的決心，來面對這場決鬥…

鳴人和小櫻為了保護莎莎不遺餘力，後來在自來也的幫助下，終於擊退音之忍者，沒想到後來莎莎竟然背叛鳴人他們，在達成任務後，莎莎也發現自己原來也受騙，在鳴人與自來也合力的攻守之下，三名音忍自然不是對手，後來蜉蝣選擇以犧牲的方式解救夥伴…回到音忍者村之後，地蜘蛛和神切向大蛇丸求情，希望大蛇丸能救蜉蝣，沒想到大蛇丸竟然提出要他們用晴明換晴明!

鳴人發現阿斯瑪與紅倒在監獄裡之後，就知道又出事了，再加上本來和靜音一起去追擊水木他們的豚豚突然跑回來，表明靜音出事，鳴人於是帶著豚豚立刻出動打算解救靜音，沒想到卻在過程中中了水木設下的陷阱，也因此必須面對和風神雷神兄弟對決的結果…

大蛇丸的相關線索再次斷了線，然而在油女志乃的提議之下，幾乎又露出了一線矚光，也就是尋找相當難得一見的微香蟲。在取得綱手的同意後，小組隨即在志乃的領帶下啟程，雖然過程中屢屢出現鳴人與志乃不和的狀況，但最後總能大事化小，小事化無。就在他們快找到微香蟲線索的時候，卻出現了意料之外的發展…

在雷牙和蘭丸的合作無間之下，寧次的白眼幾乎無用勇之地，還因此讓鳴人和小李他們的攻擊撲了個空，後來甚至都被雷牙的雷電之牙電到暈死過去，後來是靠小李的肌肉記憶反應才讓鳴人他們逃過一劫，也因為小李才打散了雷牙和蘭丸的合作，讓寧次終於有機可乘…

紅豆憑藉著昔日的記憶，解開了在海之國的發生神隱事件的真相，並帶領鳴人他們一同前往鬼界島尋找大蛇丸的下落，沒想到那裡只剩下仍然堅持拿人體做實驗的阿馬奇等人，大蛇丸早已不知去向。雖然大蛇丸已離開，但由於阿馬奇對實驗結果與力量的執著，才會讓海之國籠罩在海魔騷動的紛擾之中…

受困的鳴人他們，在合作無間下終於平安脫困，也立即趕回木葉忍者村通知大家，有人冒充他們，打算大鬧村子的消息。沒想到在一陣忙亂與波折之後，才知道原來是綱手藉這個機會考驗他們…