: When Sai questions why Naruto would go to such lengths for someone like Sasuke—who has clearly fallen into darkness—Naruto delivers a powerful speech about their "bond". He declares that even if his arms and legs are ripped off, he will never give up on Sasuke because Sasuke was the first person to truly acknowledge him.
After Team Kakashi tracks down Sai at Orochimaru’s hideout, they confront him about his true mission. The core of the episode revolves around , which he uses to explain his background: Naruto Shippuuden (Dub) Episode 48
: Impacted by Naruto's intense feelings and the memory of his own brother, Sai begins to feel a spark of human emotion again. Key Episode Details Information Title Bonds (Ties That Bind) English Air Date February 6, 2009 (on Crunchyroll ) Primary Arc : When Sai questions why Naruto would go