Grand Blue Dreaming: season renewal Season 4 anime announced after Season 3 finale aired in Japan
Multiple sources.7 independent sources agree, but nothing official yet.
How likely it holds: Near certain
- What
- Season 4 anime announced after Season 3 finale aired in Japan
- First heard
- Sep 21, 2026
- In this state since
- Sep 21, 2026
- Evidence
- Anime Corner, Anime News Network — News +6 · 7 independent sources.
The story so far
起 · 承 · 転 · 結 — four beats, straight from the evidenceA news outlet reports it first.
8 posts repeat it — but they trace back to 7 independent sources, so that's what counts.
A news outlet picks it up.
Not confirmed yet. Strong, but still unofficial.
The evidence trail
NEW SEASONJPTwo or more signals in distinct independence groups, at least one from a source graded C or better; a broadcast listed in a curated airing schedule (AniList); or one model reading of an official source, waiting for a check.
Every signal, in order
- 2026-09-21 15:32Zpresssupports
Anime CornerRead by the LLM · read with 82% certainty
Grand Blue Season 4 Announced With Teaser Visual Grand Blue Season 4 anime was officially announced immediately after the third season's finale finished airing in Japan.
animecorner.me/grand-blue-season-4/ ↗independence group g-sig-0dc43363a67e1c5a · weight 0.82
- 2026-09-21 15:43Zpresssupports
Anime News Network — NewsRead by the LLM · read with 82% certainty
Grand Blue Dreaming Anime Gets 4th Season 3rd season concluded on Monday
www.animenewsnetwork.com/news/2026-09-21/grand-blue-dreaming-anime-gets-4th-season/.242050 ↗independence group g-sig-2531abfc2341d9c7 · weight 0.82
- 2026-09-21 15:43Zpresssupports
Anime News Network — Press releasesRead by the LLM · read with 82% certainty
Grand Blue Dreaming Anime Gets 4th Season 3rd season concluded on Monday
www.animenewsnetwork.com/news/2026-09-21/grand-blue-dreaming-anime-gets-4th-season/.242050 ↗independence group g-sig-2531abfc2341d9c7 · weight 0.82