Where to…?! (どっちへ…!?, Dotchi e…!?) is chapter 355 of the Naruto manga.
The task force of Team 7 and Team 8 split up, some of Kakashi's ninken being added to each group. They break apart to begin searching for clues about Itachi's whereabouts. Hebi also splits up, searching known Akatsuki locations. Deidara, use of his arms restored from his previous encounter with Team 7, and Tobi go looking for Naruto or Sasuke. Someone locates Sasuke, and someone else locates Naruto's group.