Naruto

Season 1, Episode 40

Episode Title: Kakashi and Orochimaru: Face-to-Face!

Air Date: 2003-07-09

Overview:

While Shino and Zaku finish their fight, Kakashi works on Sasuke's cursed seal. However, someone sinister shows up to ruin things, will Kakashi be able to protect Sasuke from this skilled foe?