Naruto attempts to pursue Sasuke but is intercepted by Kimimaro, a powerful subordinate of Orochimaru who uses the Shikotsumyaku (Dead Bone Pulse) Kekkei Genkai. Despite using numerous shadow clones, Naruto is unable to land a significant blow.
Naruto's desperation to catch Sasuke is fueled by his promise to Sakura. Lee acknowledges this, reinforcing the theme of loyalty and the "Will of Fire" prevalent in the series. Naruto Episode 123
After being sealed in a coffin for transport, Sasuke finally emerges. However, he is heavily influenced by the second level of his Cursed Seal and ignores Naruto's pleas to return to the village, choosing instead to flee further toward Orochimaru. Naruto attempts to pursue Sasuke but is intercepted
The episode concludes with Lee and Kimimaro beginning their duel. A notable comedic beat occurs when Lee asks for a "timeout" to take his medicine, setting the stage for the legendary "Drunken Fist" technique in the following episode. Thematic Analysis Lee acknowledges this, reinforcing the theme of loyalty
As Kimimaro prepares to kill Naruto, Rock Lee suddenly arrives and blocks the attack. Still recovering from major surgery performed by Tsunade, Lee insists on taking over the fight so Naruto can continue his pursuit of Sasuke.
Originally aired in Japan on February 16, 2005.