The wait is finally over for fans of the college comedy anime. Grand Blue Dreaming Season 3 officially has a release date, and the show is bringing the action to a brand-new location. After a long gap between the first two seasons, the third season is arriving much faster, with the main trailer now available for everyone to see.
The new season will take the story outside Japan for the first time. The main characters are heading to Palau, a tropical island nation, for a fresh round of diving adventures, wild parties, and the usual chaos that follows them everywhere. Shinji Takamatsu returns as the director, with animation studios ZERO-G and Liber handling production. The premiere is set for July 6, 2026 in Japan, with international streaming expected to follow shortly after.
Grand Blue Dreaming Season 3 Release Date and Time
Grand Blue Dreaming Season 3 will begin broadcasting in Japan on July 6, 2026. The show airs on TOKYO MX, BS11, and MBS. For viewers in Japan, the broadcast starts on July 6, but effectively runs into July 7 due to the late-night time slot.
The anime will be available for streaming on Crunchyroll in the United States, Canada, the United Kingdom, Australia, and other international regions. The first two seasons are also available on Crunchyroll and Amazon Prime Video. In Japan, the show streams on Netflix Japan. A Hindi dub version of the series is also available on Prime Video through the Anime Times channel.
Grand Blue Dreaming Season 3 Cast and Staff
The main cast returns for the third season, bringing back the voices that fans have come to love. Yuma Uchida voices Iori Kitahara, the main character who just wants a normal college life but keeps getting dragged into crazy situations. Chika Anzai returns as Chisa Kotegawa, Iori’s cousin and the voice of reason in the group. Maya Uchida plays Nanaka Kotegawa, while Ryohei Kimura voices Kohei Imamura, Iori’s otaku friend. Hiroki Yasumoto returns as Shinji Tokita, and Katsuyuki Konishi plays Ryujiro Kotobuki.
Three new cast members join the series for Season 3. Sayaka Ohara voices Sayaka Kotegawa. Asami Seto plays Chief, the manager of the Palau diving shop Dolphin. Aya Suzaki voices Maki. M.A.O. also joins the cast as Carina.
The production team remains strong for the new season. Shinji Takamatsu serves as director, scriptwriter, and sound director. Hideoki Kusama handles character design and serves as chief animation director. Yukari Hashimoto composes the music for the series.
Grand Blue Dreaming Season 3 Story and Setting
Season 3 takes the characters to Palau for the first time in the series. Iori receives a request from his cousin Nanaka to help out at a new branch of the diving shop Dolphin that has opened in Palau. The shop is short on staff, and Iori is asked to travel there to assist.
The story picks up a few months after Iori began his university life in Izu. He lives at Grand Blue, the diving shop run by his uncle, alongside his cousin Chisa. His days are filled with chaos, as the diving club Peek a Boo treats diving as a sideshow and spends most of its time drinking and causing trouble. Iori has been thoroughly corrupted by the club, along with his otaku friend Kohei.
The new season marks a significant change for the series. Previous seasons stayed mostly in Japan, but this time the crew heads abroad for fresh adventures. The tropical setting of Palau opens the door for new diving trips, romantic misunderstandings, and the kind of ridiculous situations the series is known for.
Grand Blue Dreaming Season 3 Theme Songs
The main trailer for Season 3 also revealed the theme songs. The opening theme is titled Natsuko and is performed by FUNKY MONKEY BΛBY’S. The ending theme is Hadaka no Mermaid, performed by Beanies (MAMESHiBA NO TAiGUN) and produced by Kurochan.
What Happened Previously in Grand Blue Dreaming
Season 2 ended with Iori completing his diving license training in Okinawa. A letter arrives from his younger sister Shiori, setting up events that lead into the third season. The second season focused heavily on romantic misunderstandings, particularly involving Iori and Chisa. A major revelation came when Toshio revealed that Iori and Chisa are not actually related by blood.
The first season introduced Iori as a college freshman who moves to a seaside town. He dreams of a glamorous college life with beautiful girls and new experiences. Instead, he ends up living above his uncle’s diving shop and gets dragged into the diving club’s alcohol-fueled parties. The series follows his journey through college, balancing diving, partying, and the chaos that follows him everywhere.
The manga, written by Kenji Inoue and illustrated by Kimitake Yoshioka, has been serialized in Kodansha’s Good! Afternoon magazine since 2014. It has surpassed 10 million copies in circulation. The first anime season aired in 2018, followed by a second season in 2025. A live-action film was released in 2020, along with a stage play adaptation.
Grand Blue Dreaming Season 3 Episode Schedule
The third season will consist of new episodes airing weekly. Episode 3 is scheduled to air on July 21, 2026 at 12:00 AM JST. The episode will be available on international streaming platforms after its Japanese broadcast. The first two seasons each had 12 episodes, making the series a relatively quick watch for newcomers.
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Where to Watch Grand Blue Dreaming Seasons 1 and 2
For those who want to catch up before Season 3 arrives, the first two seasons are available on multiple platforms. Crunchyroll offers both seasons for streaming in the US, Canada, the UK, and Australia. Amazon Prime Video also carries the series. The Hindi dub version is available on Prime Video through the Anime Times channel. Japanese viewers can watch the series on Netflix Japan.
The first two seasons total 24 episodes, making it easy to binge-watch before the new season premieres. The series has earned a devoted following thanks to its mix of diving, slice-of-life storytelling, and over-the-top comedy.
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