Terrifying Secret Naruto: Shippûden : Season 4 Episode 14
TV-PG (D) TV Tokyo 24m int(0)
Aired: December 31st, 2009 @ 7:30 PM EST on TV Tokyo
As Kakashi and the others continue to struggle against the Akatsuki duo, Kakuzu reveals that he has not one, but five hearts! In order to kill him, one must take out all five of his hearts. Meanwhile, Shikamaru decides to challenge Hidan alone, and forces him away from his partner.