Sakura's Resolve

is episode 212 of the Naruto: Shippūden anime.

Synopsis
As Sakura nears Sasuke's location, she asks Kiba for information about where Sasuke is, and then incapacitates her escorts with sleep bombs so that she can face him alone. Sakura then begins remembering her days with Sasuke on Team 7, and resolves to kill Sasuke herself. Madara teleports Danzō's body away and instructs Sasuke to kill Karin. As he is about to finish her off with his Chidori, Sakura appears before him, and tells him she is deserting Konoha, and wants to join him instead.

She is smart