Grand Blue Dreaming
College freshman Iori Kitahara moves into an Izu diving shop and is swept into a raucous campus life with the members of diving club Peek a Boo. This anime chronology covers all of Seasons 1 and 2 plus Season 3 episodes 1–5 aired by August 6, 2026.
- Genre:
- コメディ / 大学 / ダイビング / 青春
- Medium:
- Anime
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Grand Blue Dreaming — Timeline12 events
Iori moves to Izu and joins diving club PaB
Iori Kitahara moves into his uncle's Izu diving shop, Grand Blue, for college. Drawn into the chaos of Peek a Boo by Tokita and Kotobuki and into a confrontation with Kohei Imamura, he joins a club far removed from the campus life he imagined.
Vol.TVアニメ ぐらんぶる Season 1 第1話 ディープブルー／第2話 水の中でCh. — Official Season 1 synopses for episodes 1–2 state Iori's move, first college day, meeting PaB, clash with Kohei, and club enrollment. ↗
Iori discovers the underwater world and enters the Izu festival
Despite his fear of water, Iori enters the sea in a wetsuit and begins discovering diving's appeal. To earn equipment money, he enters the men's contest at the Izu Spring Festival while Chisa enters the beauty pageant, amid escalating friction between PaB and a tennis club.
Vol.TVアニメ ぐらんぶる Season 1 第3話 新世界／第4話 男コンCh. — Official Season 1 synopses for episodes 3–4 describe Iori's first dive, equipment funds, the festival contests, and conflict with the tennis club. ↗
Aina joins PaB for her first buddy exercise
A mistaken rumor that Iori and Chisa are dating leads to a disastrous mixer and the return of Aina Yoshiwara, whom the group met at the festival. Aina joins PaB, learns hand signals, and takes part in a two-person buddy exercise.
Vol.TVアニメ ぐらんぶる Season 1 第5話 後の祭り／第6話 初バディCh. — Official Season 1 synopses for episodes 5–6 state the dating misunderstanding, mixer, Aina's return and welcome, diving basics, and buddy exercise. ↗
PaB gathers camp funds and diving equipment
PaB enters a tennis match partly to answer the spring-festival rivalry, while Iori and Kohei work to fund the Okinawa camp. Despite losing wages to drinking, the beginners visit a shop to learn about necessary equipment and continue their preparations.
Vol.TVアニメ ぐらんぶる Season 1 第7話 ダブルス〜第9話 王様ゲームCh. — Official Season 1 synopses for episodes 7–9 consecutively describe the tennis match, camp-funding jobs, and equipment shopping. ↗
The group trains in Okinawa and dives off Miyakojima
PaB arrives in Okinawa and begins diving instruction after a day of recreation. Iori practices with Chisa but does not qualify for a license; on Miyakojima he watches his companions dive among coral reefs and sea turtles.
Vol.TVアニメ ぐらんぶる Season 1 第10話 沖縄上陸〜第12話 オトーリCh. — Official Season 1 synopses for episodes 10–12 state arrival in Okinawa, instruction, practice with Chisa, Iori's failure to qualify, and diving at Miyakojima. ↗
Iori's sister Shiori arrives to bring him home
Iori's sister Shiori already knows his letter is false through hidden cameras and comes to Grand Blue to take him home to inherit the family inn. While observing her brother's license training, she also tries diving herself.
Vol.TVアニメ ぐらんぶる Season 2 第1話 妹／第2話 兄Ch. — Official Season 2 synopses for episodes 1–2 state Shiori's letter, hidden cameras, visit, intention to bring Iori home, and trial dive. ↗
Iori's group enters the women's festival and helps at the Kebako Café
Iori, Kohei, Nojima, and others compete for a place on Chisa's ticket to the women's university festival. Once inside, Iori and Kohei dress as maids to help Aina's Kebako Café; after being expelled, they infiltrate again as setup workers.
Vol.TVアニメ ぐらんぶる Season 2 第4話 チケット争奪戦〜第6話 再びの女子大Ch. — Official Season 2 synopses for episodes 4–6 describe the ticket contest, festival, Kebako Café, disguises, expulsion, and reentry. ↗
Iori meets Sakurako and Naomi and dives with them
Iori begins working at a family restaurant to save money and meets Sakurako Busujima, with whom he clashed at the festival, and handsome Naomi Otoya. They later dive with PaB, and Naomi's admiration for Iori creates a new chain of misunderstandings.
Vol.TVアニメ ぐらんぶる Season 2 第8話 バイト仲間／第9話 好きなの？Ch. — Official Season 2 synopses for episodes 8–9 state Iori's job, meeting Sakurako and Naomi, their shared dive, and the resulting misunderstanding. ↗
Aina asks Iori on a date and seeks a way to remain in Izu
Aina invites Iori on a date involving a movie, shopping, and dinner while hiding that family circumstances may force her to return home. After Azusa tells him the truth, Iori asks Kohei to help find a way for Aina to remain in Izu.
Vol.TVアニメ ぐらんぶる Season 2 第10話 映画デートCh. — The official Season 2 episode 10 synopsis states Aina's date, planned return for family reasons, and Iori and Kohei seeking a way for her to stay. ↗
The island camp changes how Iori and Chisa see each other
PaB holds a desert-island camp that unexpectedly includes Kaya Mizuki. Iori accidentally sees Chisa changing, causing an uproar, and she avoids him even after his rescue. Their sibling-like relationship begins shifting toward awareness of each other as man and woman.
Vol.TVアニメ ぐらんぶる Season 2 第11話 無人島に行こう！／第12話 これでチャラCh. — Official Season 2 synopses for episodes 11–12 state the camp, Kaya's participation, changing-room accident, Chisa's reaction, and the shift in how the pair are perceived. ↗
Iori returns home to recover his passport for Palau
After a PaB-style summer festival, a Palau trip is arranged, but Iori's passport remains at home. When Shiori refuses to send it, Iori returns to the family inn with Chisa and Kohei and tries to recover it amid trouble involving German travelers and a stalker.
Vol.TVアニメ ぐらんぶる Season 3 第1話 やり残し〜第3話 パスポート奪還作戦Ch. — Official Season 3 synopses for episodes 1–3 describe the PaB festival, Palau plan, Shiori's refusal, return home, and the passport scheme amid the travelers and stalker. ↗
The group works in Palau, where Kohei becomes a TV stand-in
Iori's group spends the rest of summer working at Dolphin's Palau branch, reunites with Aina, and meets Chisa's mother Sayaka. When idol Ikegoshi is injured during a television shoot, the similarly faced Kohei is recruited as his stand-in.
Vol.TVアニメ ぐらんぶる Season 3 第4話 パラオの海／第5話 TV取材Ch. — Official Season 3 synopses for episodes 4–5 state the Palau job, Aina's return, Sayaka's arrival, the TV shoot, and Kohei's stand-in role. Later unaired episodes are excluded. ↗
Related timelines
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