The season begins with the "Zombie Duo," Hidan and Kakuzu, capturing the Two-Tails Jinchūriki, Yugito Nii. They then invade the Land of Fire, destroying the Fire Temple to claim a bounty on the head monk, Chiriku.
Reviews highlight this season as a major turning point for the series' tone. NARUTO SHIPPUDEN SEASON 4 (2008) (9.1/10) - IMDb Naruto Shippuden - Season 4
While Team 10 deals with the Akatsuki, Naruto trains with Kakashi and Yamato to master his Wind Chakra Nature. He eventually develops a new, S-rank jutsu: the Wind Style: Rasen Shuriken . The season begins with the "Zombie Duo," Hidan
Note: Some streaming platforms group filler episodes into "Season 4," totaling up to 65 episodes (72–136), but the official arc concludes at episode 88. NARUTO SHIPPUDEN SEASON 4 (2008) (9
A reformed Team 10, temporarily led by Kakashi, seeks revenge. Shikamaru uses his genius to isolate and bury Hidan alive, while Naruto arrives just in time to test his new Rasen Shuriken on Kakuzu, destroying his multiple hearts. 2. Season Details & Production
"Blue Bird" by Ikimono-gakari (Eps 72–77) and "Closer" by Joe Inoue (Eps 78–88).
Team 10, led by Asuma Sarutobi, confronts the duo. During the battle, Hidan uses his ritual curse to fatally wound Asuma. Asuma shares final words with his students—Shikamaru, Choji, and Ino—before passing away, a pivotal moment that defines Shikamaru's growth.