Grand Blue Dreaming Season 3 Teased with New Palau Party Teaser Trailer

A brand new teaser trailer for the third season of Grand Blue Dreaming has been released ahead of its scheduled broadcast in July 2026.

The upcoming season previews further comedic debauchery and follows the Diving Club as they travel to the tropical destination of Palau.

Voice actress M・A・O, known for her role as Iris in Fire Force, has joined the cast to provide the voice for Carina.

Carina is introduced as a German woman and a member of an otaku club who encounters the protagonist Iori when he returns to his hometown.

The announcement on March 18, 2026, also unveiled new teaser art and confirmed additional cast members for the adaptation of the ongoing comedy manga.

Shinji Takamatsu, who previously worked on Haven’t You Heard? I’m Sakamoto, returns to direct the series at animation studios Zero-G and Liber.

The production team includes Hideoki Kusama for character designs and chief animation direction, with music composed by Yukari Hashimoto.

This third installment follows the first season which originally premiered in July 2018 and ran for 12 episodes.

The story continues to follow Iori’s chaotic university life, characterized by booze-filled parties, diving club antics, and unexpected challenges.

According to the series description, viewers can expect more wild tests of courage as Iori navigates college alongside his eccentric group of friends.