Naruto 49

Introduces Orochimaru. Anko is alerted that prior to the exam, foul play took the lives and even faces of three Grass ninjas. The one currently battling the team is someone from Anko’s past. Naruto's Kyuubi chakra is disabled by the snake-impostor’s sealing, while Sasuke makes a stand. His skills impress the Grass ninja, who leaves him with a different seal and a name to follow.