The third season of the Grand Blue Dreaming anime series was produced by Zero-G and Saber Works. It ran from July 7, 2026 to September 22, 2026.
Production and release After the airing of the final episode of the second season, a third season was announced, which is set to take place in fictional Palau. The season is produced by Zero-G and Saber Works, with Takamatsu returning as director. The third season premiered on July 7, 2026. The opening theme song is , performed by Funky Monkey Babys, while the ending theme song is , performed by Mameshiba no Taigun.
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