Grand Blue Dreaming Season 3: S03E12

Back in Okinawa (B-Side)

While Iori and Chisa enjoyed their first day in Okinawa, there was chaos unfolding behind the scenes!

Grand Blue Dreaming Season 3 episode 12 is titled “Back in Okinawa (B-Side)”, one of 12 episodes in the series. It first aired on September 21, 2026. This episode carries English and Japanese audio, with subtitles in English. It streams in up to 1080p. Running time is about 24 minutes.