Naruto: Shippuden season 4

The fourth season of the Naruto: Shippuden anime series is directed by Hayato Date, and produced by Studio Pierrot and TV Tokyo. They are based on Part II for Masashi Kishimoto's manga series. The season follows Shikamaru Nara attempting to avenge Asuma's death. The fourth season aired from August to December 2008 on TV Tokyo. It was also released on four DVDs in Japan by Aniplex between January 14 and May 13, 2009. The season was referred to by these DVDs as the chapter of Immortal Devastators — Hidan and Kakuzu (不死の破壊者、飛段・角都).

The English dub aired on Disney XD between March 16 and July 23, 2011. The season ran on Adult Swim's Toonami programming block from June 28 to November 8, 2015.

Viz Media released the season in two DVD boxes on April 26 and July 12, 2011. Manga Entertainment collected it in two DVD boxes with the first one released on July 11 and the second set on November 7, 2011.

The opening themes for this season was "Blue Bird" (ブルーバード) by Ikimono-gakari (used for episodes 72 to 77) and "Closer" by Joe Inoue (used for episodes 78 to 88). The ending themes were "Broken Youth" by NICO Touches the Walls (used for episodes 72 to 77) and "Long Kiss Good Bye" by Halcali (used for episodes 78 to 88). The broadcast version for episode 72 and 73 uses "Blue Bird" (ブルーバード, Burūbādo) by Ikimono-gakari as the opening theme and includes scenes from the film Naruto Shippuden the Movie: Bonds in the opening sequence.