Chisa Kotegawa
main character
TV
8.2
My TrackerPLANNING
Episode: 0 / 12
My Score:
Anime DetailsFINISHED
- Format
- TV series
- Episodes
- 12
- Episode length
- 24 min
- Total watch time
- 4 h 48 min
- Status
- Finished
- Aired
- July 7, 2026 – September 22, 2026
- Season
- Summer 2026
- Source
- Manga
- Studio
- Zero-G
- Director
- Shinji Takamatsu
- Original creator
- Kenji Inoue
- Music
- Yukari Hashimoto
- Country
- Japan
- AniList score
- 82/100
Estimated watch time
4h 48m
⚡ 3 days at 5 eps/day
Tags & Tropes
Outdoor Activities100%Nudity90%Family Life85%Coastal85%Surreal Comedy80%Slapstick79%Male Protagonist79%School Club79%Primarily Adult Cast79%College79%
TVFINISHED2026 SUMMER8.2 / 10 AniList score
Grand Blue Dreaming Season 3
ぐらんぶる Season 3• Grand Blue Season 3
Synopsis
Iori's college shenanigans head overseas! Just as he's finally starting to get the hang of university life, crashing at his uncle's dive shop while balancing the booze-fueled antics of his diving club, Iori's cousin enlists him to help run a new dive shop in Palau. Between crystal-clear dives and his diving group that can't resist partying it up and stripping down, Iori's in for a wild summer. (Source: Crunchyroll)
Trailer
Watch on YouTubeMain cast & voice actors
Should you watch Grand Blue Dreaming Season 3?
Yes, if you enjoy comedy, slice of life and sports, especially stories with outdoor activities, nudity, family life.
Fans rate it highly: 82/100 on AniList, with 81% of 9.9K ratings at 8/10 or higher. It's the #21 highest-rated anime of 2026.
Once people start, they tend to finish: only 1.1% of viewers drop it.
Watch Grand Blue Dreaming Season 2 first: this continues its story.
At about 4 h 48 min in total, it is a short commitment — a weekend binge.
Where to Watch Officially
Availability, audio and subtitles vary by region and service.
Episodes
12 episodes are listed.
Creators & key staff
- Original creator
- Kenji Inoue
- Director
- Shinji Takamatsu
- Music
- Yukari Hashimoto
Where it fits in the series
- Watch first: Grand Blue Dreaming Season 2 (2025)
- Watch next: Grand Blue Season 4
Related entries
Opening & ending themes
Openings (1)
- OP1“Natsuko” by FUNKY MONKEY BΛBY'S · eps 1-12
Endings (1)
- ED1“Hadaka no Mermaid” by MAMESHiBA NO TAiGUN · eps 1-12
Theme data from AnimeThemes.moe.
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Grand Blue Dreaming Season 3 FAQ
How many episodes does Grand Blue Dreaming Season 3 have?
Grand Blue Dreaming Season 3 has 12 episodes of about 24 minutes each, roughly 4 h 48 min in total.
How long does it take to watch Grand Blue Dreaming Season 3?
About 4 h 48 min back to back. At two episodes a day it takes 6 days; at one hour a day, about 5 days.
Is Grand Blue Dreaming Season 3 finished?
Yes. Grand Blue Dreaming Season 3 has finished airing — the final episode aired September 22, 2026.
Is there a season 2 of Grand Blue Dreaming Season 3?
Yes — the story continues in Grand Blue Season 4.
What should I watch before Grand Blue Dreaming Season 3?
Watch Grand Blue Dreaming Season 2 first — Grand Blue Dreaming Season 3 is a direct sequel.
Is Grand Blue Dreaming Season 3 based on a manga?
Yes. Grand Blue Dreaming Season 3 adapts the manga by Kenji Inoue.
Who animated Grand Blue Dreaming Season 3?
Grand Blue Dreaming Season 3 was animated by Zero-G and Saber Works and directed by Shinji Takamatsu.
Who sings the opening of Grand Blue Dreaming Season 3?
The opening, "Natsuko", is performed by FUNKY MONKEY BΛBY'S.
Where can I watch Grand Blue Dreaming Season 3?
Grand Blue Dreaming Season 3 is listed on Crunchyroll, Bilibili TV. Availability varies by region — check the streaming links on this page.