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.
| Title | The Terrifying Secret |
|---|---|
| Genres | Animation Action & Adventure Sci-Fi & Fantasy |
| Release Date | 2008-11-20 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 4 |
| Episode Number | 85 |
| Production Companies | TV Tokyo, Pierrot, Sound Box, Rakuonsha, Aniplex |
