Invasion of Konohagakure

Takes place during the Chunin Exams.Planned by Orichimaru. We see the first and Second Hokages for the first time. Gamakichi and Pakkun are introduced as well as Shukaku. Has the battle between Gaara and Naruto. Sarotobi dies sealing Orochimaru's arms. We see Kiba's mom and sister for the first time too.