Memory of Guilt

is episode 110 of the Naruto: Shippūden anime.

Synopsis
The sealing team continued to seal the Three-Tails, with Katsuyu's help, while Kakashi, Yamato and Shino defeated Rinji's men and prepared to find Yūkimaru. Meanwhile, Naruto and Guren found Rinji with Yūkimaru, where Rinji had revealed to him that Guren was the one who had killed his mother. Yūkimaru forgave Guren, after which Rinji tried to attack her but was stopped by Naruto. Rinji was then revealed to be Kabuto in disguise, who threatened to kill Naruto if he got in his way.

Credits
Memorias del Pecado