The BEST episodes of Grand Blue Dreaming

Every episode of Grand Blue Dreaming ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Grand Blue Dreaming!

A college student joins the local diving club after meeting some rowdy upperclassmen. New adventures in booze and the ocean await.

Last Updated: 8/18/2026Network: Tokyo MXStatus: Continuing

10.00

1 votes

#1 - A New World

Season 1 - Episode 3 - Aired 7/28/2018

Iori and Kohei don wetsuits and head to the sea! Although Iori used to be afraid of the water, he starts becoming more interested. But diving equipment is expensive! Tokita and Kotobuki decide to hold a men's beauty pageant for the Izu Spring Festival in May. The guys want to avoid being paraded around on stage, so they try to get Chisa to participate in a women's beauty pageant.

Directors: Keisuke Nishijima, Shinji Takamatsu

Writer: Shinji Takamatsu, Takeshi Kumamoto

10.00

1 votes

#2 - The Male Beauty Pageant

Season 1 - Episode 4 - Aired 8/4/2018

The Izu Spring Festival has begun! The members of Peek-a-Boo run an okonomiyaki stall with Iori, Kohei, Chisa, and Azusa helping out. Iori finds himself in a complicated situation when a misunderstanding with Azusa occurs and a rivalry with the tennis club Tinkerbell begins. When Chisa gets nervous and freezes up during the women's beauty pageant, Iori and Kohei think of a plan to cheer her on.

Directors: Ryūta Kawahara, Shinji Takamatsu

Writer: Hiroshi Kugimiya, Shinji Takamatsu

10.00

1 votes

#3 - Too Late

Season 1 - Episode 5 - Aired 8/11/2018

Iori and Kohei attend class in their underwear like normal, but everyone glares at them with a bloodthirsty look in their eyes! It's because they heard that Iori and Chisa are dating! Sensing their lives are in danger, Iori and Kohei offer to setup a mixer. They ask Azusa to introduce her friends, but she brings Aina Yoshiwara, the "Cakey" girl from the Izu Spring Festival!

Directors: Shinji Takamatsu, Yoshihisa Matsumoto

Writer: Nobuhiro Takamoto, Shinji Takamatsu

10.00

2 votes

#4 - Doubles

Season 1 - Episode 7 - Aired 8/25/2018

Iori and the others dream about going diving at a beautiful location after seeing an article on Miyakojima in a magazine. However, Tokita and Kotobuki decide the club is going to join a tennis doubles match! They explain that they're joining the match to get everyone to build trust with their diving buddy, but the real reason is to get back at the tennis club and take away their prize money!

Directors: Shinji Takamatsu, Takashi Kobayashi

Writer: Shinji Takamatsu

10.00

1 votes

#5 - Arrival in Okinawa

Season 1 - Episode 10 - Aired 9/15/2018

The Peek-a-Boo members arrive in Okinawa! After checking out their gorgeous vacation home, the group decides to head to the beach. In order to make sure the guys don't try to get naked, they decide to go to a popular beach with lots of visitors, where they have some wild fun on a banana boat. However, Iori loses their banana boat contest and ends up having to sleep in Nanaka and Azusa's room!

Directors: Nanako Shimazaki, Shinji Takamatsu

Writer: Hitomi Tsuruta, Shinji Takamatsu

10.00

1 votes

#6 - Deep Blue

Season 1 - Episode 1 - Aired 7/14/2018

When Iori Kitahara heads off to college, he decides to live at his uncle's dive shop in Izu. Iori is looking forward to experiencing college life, but ends up running into a group of tough guys playing strip rock-paper-scissors. Iori gets dragged into the diving club's crazy shenanigans and ends up spending his first day in college wearing nothing but a pair of underwear.

Directors: Shinji Takamatsu

Writer: Shinji Takamatsu

8.00

1 votes

#7 - Underwater

Season 1 - Episode 2 - Aired 7/21/2018

After a cutthroat battle with Kohei Imamura, a handsome otaku from school, Iori ends up joining the Peek-a-Boo diving club. Iori arrives home worn out from the day, but perks up when he hears about a party with a women's college. However, his cousin Nanaka won't allow him to stay out three nights in a row, so Iori tries to show her he's an independent man to get her to let him go.

Directors: Atsuko Tonomizu, Shinji Takamatsu

Writer: Shinji Takamatsu, Toshizou Kida

4.00

1 votes

#8 - You Have the Wrong Idea

Season 1 - Episode 11 - Aired 9/22/2018

"You might be the only one who can't pass the license test," Nanaka says to Iori, pointing out what he's bad at. To avoid being made fun of by Kohei and Nanaka, he practices secretly. Yet, while practice, all he thinks of is how to poison them at dinner. He avoids being pairs with Kohei and Aina and gets Chisa to promise to help him with practice. But, these interactions cause misunderstandings...

Directors: Shinji Takamatsu, Tarou Iwasaki

Writer: Miyana Okita, Shinji Takamatsu

4.00

1 votes

#9 - Otori

Season 1 - Episode 12 - Aired 9/29/2018

For the last half of their trip, the Peek-A-Boo members arrive in Miyakojima. Everyone goes for a serious dive into the majestic sea with the exception of Iori, who couldn't obtain his license. Everything is magical with the stunning coral reef, colorful fishes and sea turtles, until the members engage in PaB-style Otori (a drinking custom of Miyakojima), which turns things into a living hell...

Aina has a spare ticket for the Oumi Women's University Festival, and it causes all sorts of chaos.