Is Grand Blue coming back?

Grand Blue's return date is unconfirmed. The show last aired its most recent episode on September 22, 2025.

Grand Blue is a comedy anime series that first premiered on July 13, 2018, on MBS. The story was set in a seaside town and followed Iori Kitahara, a college student who moves into his uncle's scuba diving shop in Izu. The series depicted his humorous attempts to enjoy college life amidst a group of rowdy upperclassmen, often involving alcohol and seaside antics, though his plans were frequently derailed by unexpected events.

Each episode had a runtime of approximately 30 minutes. The series spanned two seasons, with the first airing in 2018 and the second in 2025, ending on September 22, 2025.