Naruto Episode 163: Tactician: Koumei`s Speculation
Episode 163 of 220 of Naruto, aired December 7, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Naruto and the others attempt to prove that Kouhmei is the one responsible for the ghost. However, what Naruto and the gang discover leaves even more mysteries unsolved.