"The Truth about Zetsu!!" (ゼツの真実!!, Zetsu no Shinjitsu!!) is chapter 512 of the original Naruto manga.
Motoi sends a message to the Kage about the information leak. Naruto and B are to remain on the island as it is a moving fortress, and can't be tracked easily. Kabuto volunteers to capture the Eight-Tails and Nine-Tails in Tobi's place. Tobi reveals his army of one hundred thousand white Zetsu.