Grand Blue Dreaming Anime Gets Fourth Season After Finale
The official website for the Grand Blue Dreaming television anime announced on Tuesday that the series is getting a fourth season. The announcement came one day after the third season's 12th and final episode aired on Monday, September 21, 2026. A teaser visual accompanied the news. The third season debuted on July 6 on Tokyo MX and BS11 and is set in Palau, marking the first time the anime's setting has moved outside Japan. Shinji Takamatsu returned as director, and studios ZERO-G and Liber handled the animation. The returning voice cast includes Yuma Uchida as Iori Kitahara, Ryohei Kimura as Kohei Imamura, and Chika Anzai as Chisa Kotegawa. The Grand Blue Dreaming manga, written by Kenji Inoue and illustrated by Kimitake Yoshioka, began serialization in Kodansha's Good! Afternoon magazine in April 2014 and is published digitally in English by Kodansha USA Publishing.