
With Season 2 ending in 2025, the anticipation for the upcoming Grand Blue Dreaming, also known as Grand Blue Season 3, is at an all-time high. With that being said, we have exciting news for the fans of the series, as the upcoming season has finally been announced for release in July 2026. The information is released by the official social handle of the anime:
🍻#ぐらんぶる Season 3 KV公開🍻
— TVアニメ『ぐらんぶる』公式 (@gb_anime) May 24, 2026
本日5/24は5(ゴー)2(トゥ)4(シー)=Go to Sea!で「#スクーバダイビングの日」。
本格ダイビングアニメである本作のKVをこの日に解禁!
南の島を歩く7人…今までの「ぐらんぶる」とは一線を画すスタイリッシュなKV!… pic.twitter.com/79G5orvgZ6
Without further ado, let’s jump right into everything you have to know about the upcoming season of the comedy and slice-of-life anime series: when it is releasing, where to watch, and what to expect.
| TITLE | Grand Blue Dreaming |
| CREATOR | Kenji Inoue |
| RELEASE DATE | July 14, 2018 |
| IMDb RATING (As of May 26, 2026) | 7.9/10 |
| WHERE TO WATCH | Crunchyroll and Amazon Prime Video |
When Is Grand Blue Season 3 Releasing?

Grand Blue Season 3 will be released in July 2026 (via the official website). Before its release, the series will have an advanced screening on June 19, 2026, at 6:00 pm JST at Shinjuku Baltic 9. As of now, these are the only pieces of information available for the anime series’ upcoming Season 3. An exact release date is yet to be disclosed.
Where to Watch Grand Blue Season 3 as It Releases?

If we follow the patterns from Seasons 1 and 2, the upcoming Season 3, one of the most anticipated summer 2026 anime, might be released on Crunchyroll and Amazon Prime Video in the US. However, they have yet to confirm the details, and this is based on our calculation.
Fans from Japan can, however, relax a bit as certain outlets have confirmed the streaming and broadcast of Season 3. Japanese TV broadcast channels like Tokyo MX, BS11, AT-X, and MBS will release the episodes weekly. Again, a final date and time are yet to be announced by any official sources.
Is There a Trailer for Grand Blue Season 3?
A trailer PV has also been released for the upcoming Season 3 on the official YouTube channel of the anime series:
Based on the trailer, the Peek-a-Boo diving club returns with the chaotic energy as they go on their first international trip. And as for the questionable and ecchi aspects of the anime, let’s say things will get even spicier based on the trailer. While not many intricate details were shown in the trailer, it concluded with a staff and cast list for the upcoming Season 3 of the anime.
The Staff and Cast for Grand Blue Season 3

Every season of the Grand Blue Dreaming anime series has seen a change in production so far, and Season 3 will be no different. Studio Zero-G produced Season 1 of the anime, while Season 2’s production was handled by Studio Liber. For Season 3, we see another shift as Studio Saber Works takes over the production, alongside Zero-G.
For Season 3 of the anime, the main cast will be returning to voice the characters in the series:
- Iori Kitahara: Yuma Uchida
- Kohei Imamura: Ryohei Kimura
- Chisa Kotegawa: Chika Anzai
- Nanaka Kotegawa: Maaya Uchida
- Azusa Hamaoka: Toa Yukinari
- Aina Yoshiwara: Kana Asumi
- Shinji Tokita: Hiroki Yasumoto
- Ryujiro Kotobuki: Katsuyuki Konishi
In addition to the returning cast, three new voice actors will also join the franchise for its Season 3. Sayaka Kotegawa will be voiced by Sayaka Ohara (Ezra Scarlet – Fairy Tail, Isuzu – Hell’s Paradise, and Kano – Golden Kamuy), Asami Seto (Saki – Nippon Sangoku and Mina – Kaiju No. 8) will voice the character Chief, and the character Maki is voiced by Aya Suzaki (Tia – Farming Life in Another World and Kaeda Kayano – Assassination Classroom).
What Do We Know and What to Expect From Grand Blue Season 3?







The Grand Blue Dreaming revolves around the main protagonist, Iori Kitahara, and the members of his diving club Peek-a-Boo. Season 1 of the anime was mostly about Iori’s initiation into the club and exploring the narratives to set a tone for the story to continue. This was brilliantly carried to Season 2, a season that focused more on deepening the bond and exploring the relationships among the members of the club.
Grand Blue Dreaming Season 3 of the anime will be completely different, focusing more on the Palau Arc. From the introduction of eccentric new characters overseas to the visual presentation of more beautiful and scenic reefs and diving scenes, Season 3 will likely be one of the best arcs of the anime, especially because of its vividness and funny narrative.
When is Grand Blue Season 3 releasing?
Grand Blue Season 3 is set to be released in July 2026. We are yet to receive a specific date of release from any official sources.
Where to watch Grand Blue Season 3?
While we don’t have officially confirmed release details yet, the upcoming season will likely stream on Crunchyroll and Amazon Prime Video, based on previous patterns.
Which manga arc does Grand Blue Season 3 cover?
Grand Blue Season 3 covers the Palau Ar from the manga.
Are you excited for Season 3 of Grand Blue Dreaming? We’d love to hear your thoughts and opinions in the comments below.
Grand Blue Dreaming Seasons 1 and 2 are available to watch on Crunchyroll and Amazon Prime Video.
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