The Sharingan Revived: Dragon-Flame Jutsu!

is episode 30 of the original Naruto anime.

Synopsis
Sasuke and Shiore engage in combat. After a long, difficult battle, Sasuke seemingly ends the battle with a blast of fire to the ninja's face. However, the ninja awakens with his face partially melted off, revealing another face underneath. The ninja reveals himself to be Orochimaru and then extending his neck, he bites Sasuke and leaves behind a cursed seal, wishes Sasuke luck in surviving, and leaves. Anko finds Orochimaru and attacks him, intent on killing her former sensei for his crimes, even at the potential cost of her own life; she fails, and Orochimaru escapes.

Character First Debuts

 * Boar-Masked ANBU Member

Jutsu used

 * Attack Prevention Technique
 * Cursed Seal of Heaven
 * Earth Release Shadow Clone
 * Fire Release: Dragon Fire Technique
 * Hidden Shadow Snake Hands
 * Manipulating Windmill Triple Blades
 * Orochimaru's Juinjutsu
 * Peregrine Falcon Drop
 * Temporary Paralysis Technique
 * Twin Snakes Mutual Death Technique
 * Vanishing Facial Copy Technique