"The Time of Reunion…!!" (再会の時…!!, Saikai no Toki…!!, Viz: The Reunion…!!) is chapter 306 of the original Naruto manga.
Sasuke attacks Sai for disturbing him, destroying their portion of the base. Team 7 is drawn to the area. Sakura starts to ask Sai what his real intentions are when she notices Sasuke. She and Naruto are speechless to see him again after two-and-a-half years since he left Konohagakure.