Naruto - Season 1 Episode 20 : A New Chapter Begins: The Chūnin Exam! 2007

With their latest mission complete, it's time once again for the group to go back to mediocre missions. After all are done, Konohamaru and his friends pay a visit to Naruto. All which result in being chased by Sakura. Everyone is soon over though, as two mysterious ninja block their way, and one of them isn't too happy with Konohamaru. Sasuke arrives to save the day, but the leader of the group shows up, with stealth skills that surprise even Sasuke. Meanwhile, the Third Hokage announces that it's time once again for the Chuunin selection exams.