Naruto: Shippūden (2007)

S16E351 Hashirama's Cells

At the Foundation, Kakashi encounters a young boy who possesses the rare Wood Style technique, a skill once exclusive to the First Hokage, Hashirama. Intrigued, Kakashi heads to the library of the Third Hokage, Hiruzen, in search of information and uncovers documents related to Hashirama’s cells.