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Grand Blue
A fourth season of the Grand Blue Dreaming television anime was confirmed on the official website one day after the third season's finale aired on September 21, 2026. The third season premiered July 6, 2026, moved the setting to Palau, and the newest manga volume ranked among Amazon.co.jp's Kindle manga top sellers for the October 9, 2026 chart.
Synthesized from 11
Yomimono stories · updated
Oct 15
Grand Blue's 2026 run moved from announcement to a fourth-season order in a single stretch. The third season was confirmed for a July 2026 premiere with a key visual and opening theme by FUNKY MONKEY BΛBY'S, then a trailer on June 11 fixed the date at July 6 on Tokyo MX and BS11, with MBS from July 7 and AT-X from July 9. Streaming followed on U-NEXT, Anime Hodai, Anime Times, and Lemino from July 7. The season's premise moved Iori Kitahara and the PaB crew to Palau, the first time the anime's setting has left Japan. Shinji Takamatsu returned as director, and the animation was handled by ZERO-G and Liber, with Yuma Uchida, Ryohei Kimura, and Chika Anzai among the returning voice cast.
The season ended September 21, 2026 with its 12th episode, and the official website announced a fourth season the next day with a teaser visual. Merchandise for the third season opened for pre-order in September, and the first two seasons were streamed free on the Anime Times YouTube channel from July 7 to July 21 as a promotion. The manga by Kenji Inoue and Kimitake Yoshioka, serialized in Kodansha's Good! Afternoon since April 2014, added a new volume that ranked among the top Kindle manga sellers for the October 9, 2026 chart.
Key facts
- Fourth season
- Confirmed on the official website one day after the third season's finale aired on September 21, 2026, with a teaser visual ↗
- Third season finale
- 12th and final episode aired Monday, September 21, 2026 ↗
- Third season premiere
- July 6, 2026 on Tokyo MX and BS11, with MBS from July 7 and AT-X from July 9 ↗
- Setting
- Palau, the first time the anime's setting has moved outside Japan ↗
- Director
- Shinji Takamatsu returned as director, handling script and sound direction ↗
- Animation studios
- ZERO-G and Liber ↗
- Returning cast
- Yuma Uchida as Iori Kitahara, Ryohei Kimura as Kohei Imamura, and Chika Anzai as Chisa Kotegawa ↗
- Manga serialization
- Written by Kenji Inoue and illustrated by Kimitake Yoshioka, began in Kodansha's Good! Afternoon magazine in April 2014 ↗
- Kindle ranking
- Newest Grand Blue volume ranked among the top sellers in Amazon.co.jp's Kindle manga ranking for October 9, 2026 ↗
Timeline
- Oct 10, 2026 Slime, Nia Liston and Grand Blue New Volumes Lead Kindle Manga Ranking
- Oct 3, 2026 Grand Blue Dreaming Anime Gets Fourth Season After Finale
- Sep 4, 2026 Grand Blue Season 3 Merch Line Adds Nude-Design Boxer Briefs
- Jul 20, 2026 ABEMA Streams One Piece, Love Live Sunshine, Grand Blue for Marine Day
- Jul 9, 2026 Grand Blue Seasons 1 and 2 Stream Free on YouTube as Season 3 Premieres
- Jul 5, 2026 2026 Summer Anime Roundup: Grand Blue Season 3, Cat and Dragon, and More
- Jun 24, 2026 Grand Blue Season 3 Sets July 6 Premiere
- Jun 22, 2026 Grand Blue Season 3 Episode 1 Synopsis Released
- Jun 11, 2026 Grand Blue Season 3 Trailer Reveals July 6 Debut and Theme Songs
- May 24, 2026 Grand Blue Dreaming Season 3 Reveals Key Visual and Opening Song Artist
- May 17, 2026 Grand Blue Season 3 Heads to Palau for Summer 2026
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
Facts
- Licensed by
- ABEMA (Japan) · 2026-07-20
- Noted
- is a comedy about diving and college life in Izu · 2026-07-20
- Release
- tv · 2026-07-06 · 2026-06-22
- Release
- tv · 2026-07-07 · streaming · 2026-06-24
- Release
- tv · July 2026 · 2026-07-09
- Release
- tv · 2026-07-06 · Japan · 2026-06-11
- Release
- tv · July 2026 · Japan · 2026-05-24
- Announced
- Seasons 1 and 2 streaming free on YouTube from July 7 to July 21 · 2026-07-09
- Announced
- third season announced shortly after second season finale · 2026-06-11
- Announced
- key visual and opening song artist revealed · 2026-05-24
Connections
Structured graph also available as JSON at /public/entities/grand-blue.
CC BY 4.0.
Claim activity
When a claim about Grand Blue was confirmed, debunked, or disputed against
open-web sources. The record stays even after a claim drops off the facts list.
- Confirmed third season announced shortly after second season finale Aug 31 · source
- Confirmed tv 2026-07-06 Japan Aug 31 · source
- Confirmed key visual and opening song artist revealed May 28 · source
- Disputed tv July 2026 Japan May 28 · source
- Confirmed funky monkey b by s scored by grand blue May 27 · source
All coverage
Oct 10
Dengeki Hobby Web's roundup of Amazon.co.jp's Kindle manga sales ranking for October 9, 2026 lists the top 20 comic volumes. The newest entries of That Time I Got Reincarnated as a Slime, Kyouran Reijou Nia Liston and Grand Blue rank among the week's top sellers, alongside volumes of Aho Girl spin-off Wrong Way to Use Healing Magic, The Heroic Legend of Arslan, Welcome to Demon School Iruma-kun and Laid-Back Camp. The article also notes pre-orders for Bookworm Part 4 Volume 13 and Shangri-La Frontier Volume 28.
Oct 3
The official website for the Grand Blue Dreaming television anime announced on Tuesday that the series is getting a fourth season. The announcement came one day after the third season's 12th and final episode aired on Monday, September 21, 2026. A teaser visual accompanied the news. The third season debuted on July 6 on Tokyo MX and BS11 and is set in Palau, marking the first time the anime's setting has moved outside Japan. Shinji Takamatsu returned as director, and studios ZERO-G and Liber handled the animation. The returning voice cast includes Yuma Uchida as Iori Kitahara, Ryohei Kimura as Kohei Imamura, and Chika Anzai as Chisa Kotegawa. The Grand Blue Dreaming manga, written by Kenji Inoue and illustrated by Kimitake Yoshioka, began serialization in Kodansha's Good! Afternoon magazine in April 2014 and is published digitally in English by Kodansha USA Publishing.
Sep 4
Banana Spirits opened pre-orders on September 4 for a new Grand Blue Season 3 merchandise line on its ANIGA-TER store. The lineup includes T-shirts, a mesh tote bag, an eye mask, a stainless tumbler, acrylic blocks and rings, and a pair of boxer briefs printed with a bold nude scene design. Orders placed now ship in late November.
Jul 20
ABEMA is streaming three anime set at the sea to mark Marine Day on July 20: ONE PIECE, Love Live! Sunshine!!, and Grand Blue. The feature, titled 'Enjoy the summer vibe of Marine Day! 3 anime set at the sea,' highlights each series' ocean-themed setting and story. ONE PIECE follows Luffy's pirate voyage, Love Live! Sunshine!! is set in the coastal town of Numazu, and Grand Blue is a comedy about diving and college life in Izu.
Jul 9
The Anime Times official YouTube channel began streaming all 24 episodes of Grand Blue Seasons 1 and 2 for free from July 7 until July 21. The release coincides with the July 2026 premiere of Season 3, allowing viewers to watch the series consecutively. The show is a youth diving comedy known for its drinking and nudity, with warnings at the start of each episode.
Jul 5
ASCII.jp's 2026 Summer Anime Special Part 7 highlights five titles: Grand Blue Season 3, The Cat and the Dragon, The Strongest Dregs Prince's Secret Imperial Succession Struggle, The Case of the Transfer Student's Pure and Lovely Beautiful Girl Being a Childhood Friend I Used to Play with Thinking She Was a Boy, and X-Men '97. Grand Blue Season 3 premieres July 6.
Jun 24
The third season of the anime adaptation of Kenji Inoue and Kimitake Yoshioka's diving comedy manga will begin airing on TOKYO MX, BS11, MBS and other stations from July 6, 2026. Streaming on U-NEXT, Anime Hōdai, Anime Times, and Lemino starts July 7. The season takes Iori and the cast to Palau. Episode 1 synopsis and preview cuts have been released.
Jun 22
The synopsis and scene cuts for Episode 1 of Grand Blue Season 3 have been released. The episode, titled "Unfinished Business," airs July 6. The third-year PaB members plan a summer festival to do what they left unfinished, but it is bound not to end peacefully.
Jun 11
The third season of the Grand Blue Dreaming anime will premiere on July 6 on Tokyo MX and BS11, with additional broadcasts on MBS from July 7 and AT-X from July 9. The main promotional video, released on June 11, previews the opening theme song "Natsuko" by FUNKY MONKEY BΛBY'S and the ending theme song "Hadaka no Mermaid" by MAMESHiBA NO TAiGUN, which was produced by comedian and actor Kuro-chan. The season is set in Palau, marking the first time the story moves outside Japan. Returning director Shinji Takamatsu is handling direction, script, and sound direction at studios ZERO-G and Liber. Previously announced new cast members include M.A.O as Karina, Sayaka Ōhara as Sayaka Kotegawa, Asami Seto as Chief, and Aya Suzaki as Maki. The second season concluded in September 2025, and the third season was announced shortly after its finale.
May 24
The official website for the Grand Blue Dreaming anime revealed a key visual and the opening theme song artist for the third season on May 24, a date recognized as "Scuba Diving Day" in Japan due to a wordplay on "Go to Sea." The band FUNKY MONKEY BΛBY'S will perform the opening theme song titled "Natsuko." The season is set to premiere in July on Tokyo MX, BS11, MBS, and AT-X channels. This season will take the cast to Palau, marking the first time the setting has been outside Japan. New cast members include Sayaka Ohara as Sayaka Kotegawa, Asami Seto as Chief, and Aya Suzaki as Maki. The second season ended in September 2025, and the third season was announced shortly after its finale. The anime is produced by studios Zero-G and Saber Works, with Shinji Takamatsu returning as director, scriptwriter, and sound director. The manga by Kenji Inoue and Kimitake Yoshioka began serialization in Kodansha's Good! Afternoon magazine in April 2014 and has 26 volumes as of April 2026.
May 17
The summer anime guide from ASCII.jp confirms Grand Blue Season 3 will air in July 2026, moving the college comedy to Palau. The teaser PV shows the usual Izu University crew causing trouble before the overseas trip. Director Shinji Takamatsu returns. The series also earned a spot on the 2026 list of 88 anime holy lands for its Ito City setting.