Naruto Episode 69: Village in Distress: A New A-Ranked Mission!
Episode 69 of 220 of Naruto, aired February 4, 2004, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Knowing that Sasuke is in over his head, Kakashi sends Naruto, Sakura, and Shikamaru, being guided by a dog named Pakkun, to stop Sasuke from pursuing Gaara.