Playback is currently unavailable for S3 E1 · Unfinished Business. Episode details remain available below.
Grand Blue Dreaming
A college student joins the local diving club after meeting some rowdy upperclassmen. New adventures in booze and the ocean await.
- Cast:
- Yuma Uchida, Ryohei Kimura, Chika Anzai, Kana Asumi
- Language:
- Japanese
- Country:
- Japan
- Network:
- MBS, TBS, Tokyo MX, BS11
Episode guide
Seasons
Season 3
Episodes
E01
Episode 1
★ 8.0Unfinished Business
2026-07-07 · 24mSummer is coming to an end, and the older kids at the club want to do the things they still have left to do.
Current episode
E02
Episode 2
★ 8.0Homecoming
2026-07-14 · 24mIori and the gang head to his family home to grab his passport for the upcoming trip.
Watch progress · Not tracked
E03
Episode 3
★ 8.0Saving Private Passport
2026-07-21 · 24mIori must navigate Shiori, the tourists, and the stalker on the loose to get his hands on his passport.
Watch progress · Not tracked
E04
Episode 4
The Oceans of Palau
2026-07-28 · 24mThe group eagerly arrives in Palau, where someone they know well is waiting for them.
Watch progress · Not tracked
E05
Episode 5
TV Special
2026-08-04 · 24mA TV crew has arrived to film a special at Dolphin, and the gang gets roped into it!
Watch progress · Not tracked
E06
Episode 6
Assist
2026-08-11 · 24mKohei has figured out that Aina is into Iori and decides to help her in a way only he can.
Watch progress · Not tracked
E07
Episode 7
Mother
2026-08-18 · 24mTensions between Chisa and her mom come to a head as they clash over her life goals.
Watch progress · Not tracked
E08
Episode 8
Mixer, Round 2
2026-08-25 · 24mBack home, Iori gets caught up in the scumbros' shenanigans again, and ends up having to set up a mixer.
Watch progress · Not tracked
E09
Episode 9
Ordeals
2026-09-01 · 24mThe boys have run into several issues over the summer, and they need the collective think tank to resolve them!
Watch progress · Not tracked
E10
Episode 10
Lottery
2026-09-08 · 24mIori has a craving for his favorite food, and he also receives a lottery ticket.
Watch progress · Not tracked
E11
Episode 11
Back in Okinawa (A-Side)
2026-09-15 · 24mAina wants to stop Iori and Chisa from going on a trip, and enlists Kohei's help. Will she be successful?
Watch progress · Not tracked
E12
Episode 12
Back in Okinawa (B-Side)
2026-09-22 · 24mWhile Iori and Chisa enjoyed their first day in Okinawa, there was chaos unfolding behind the scenes!
Watch progress · Not trackedCast
Yuma Uchida
Iori Kitahara (voice)
Ryohei Kimura
Kouhei Imamura (voice)
Chika Anzai
Chisa Kotegawa (voice)
Kana Asumi
Aina Yoshiwara (voice)
Toa Yukinari
Azusa Hamaoka (voice)
Maaya Uchida
Nanaka Kotegawa (voice)
Katsuyuki Konishi
Ryuujirou Kotobuki (voice)
Hiroki Yasumoto
Shinji Tokita (voice)
