Tolong jelaskan mengenai Episod berkaitan dari Plot Naruto I dalam bahasa melayu

The Chūnin Exams arc is from Part I of the series, and spans from chapters 34 to 114 of the manga and episodes 20 to 67 of the Naruto anime. It introduces many of the secondary characters of the series, as well as the first major villain, Orochimaru.