School is back in session, and the diving club is at it again! Grand Blue Dreaming season 3 is now streaming on Crunchyroll, bringing with it a summery new opening and ending filled with... well, exactly the sort of acting you'd expect from the club. Creditless versions of both are now available on YouTube, too. Check out the inventive mixed media opening, set to "Natsuko" by FUNKY MONKEY BABY'S: Grand Blue Dreaming Season 3 Creditless Opening Video And the high-energy ending, set to "Hadaka no MERMAID" by MAMESHiBA NO TAiGUN: Grand Blue Dreaming Season 3 Creditless Ending Video The "Natsuko" single goes on sale August 5, with pre-orders for both limited and regular editions now open. Meanwhile, the digital single of "Hadaka no MERMAID" is available to stream and download . Shinji Takamatsu ( Haven't You Heard? I'm Sakamoto ) directs the third season of Grand Blue Dreaming at studios Zero-G and Saber Works. The first season premiered in July 2018 and aired for 12 episodes and the second followed in July 2025 for an additional 12. Crunchyroll streams the series as it airs , describing it thus: Dive into Iori Kitahara’s chaotic college life in Izu, where his uncle’s diving shop, Grand Blue, becomes the epicenter of madness.