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The Best Episodes of Grand Blue Dreaming

Every episode of Grand Blue Dreaming ranked from best to worst. Let's dive into the Best Episodes of Grand Blue Dreaming!

Binge this in 9h 36m•Peaking at 9.0/10

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

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Episode Rankings

  1. #1 Fan Favorite
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    Grand Blue Dreaming Season 2 Episode 3 - Association
    9.0/10(3 votes)

    #1 - Association

    S2:E3

    Aina is out of control! But why?

    Director:Shinji Sano
    Writer:Shinji Takamatsu

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  2. Grand Blue Dreaming Season 2 Episode 2 - Brother
    8.7/10(3 votes)

    #2 - Brother

    S2:E2

    Shiori's here and on a mission! How will Iori handle this situation?

    Director:Takeshi Toda
    Writer:Shinji Takamatsu

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  3. Grand Blue Dreaming Season 2 Episode 6 - Back to the All-Girls College
    8.7/10(3 votes)

    #3 - Back to the All-Girls College

    S2:E6

    After being expelled from college, the boys devise various plans to get back into it.

    Director:Arata Nishizuki
    Writer:Shinji Takamatsu

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  4. Grand Blue Dreaming Season 2 Episode 8 - Coworkers
    8.7/10(3 votes)

    #4 - Coworkers

    S2:E8

    Iori runs into a familiar face at his new part-time job, and this is going to complicate matters!

    Director:Kentaro Mizuno
    Writer:Unknown

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  5. Grand Blue Dreaming Season 2 Episode 11 - Let's Go to an Uninhabited Island!
    8.7/10(3 votes)

    #5 - Let's Go to an Uninhabited Island!

    S2:E11

    The gang heads out to a camping site on an uninhabited island, only to run into some unexpected faces.

    Director:Tazumi Mukaiyama
    Writer:Unknown

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  6. Grand Blue Dreaming Season 1 Episode 11 - You Have the Wrong Idea
    8.5/10(398 votes)

    #6 - You Have the Wrong Idea

    S1:E11

    "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...

    Director:Tarou Iwasaki
    Writer:Shinji Takamatsu

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    The 20 WORST Episodes of Grand Blue Dreaming

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  7. Grand Blue Dreaming Season 2 Episode 1 - Sister
    8.5/10(4 votes)

    #7 - Sister

    S2:E1

    Iori receives a letter from his little sister back home. Note: This is still a diving anime.

    Director:Kentaro Mizuno
    Writer:Shinji Takamatsu

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  8. Grand Blue Dreaming Season 2 Episode 12 - Now We're Even
    8.5/10(2 votes)

    #8 - Now We're Even

    S2:E12

    Iori learns that a lot will soon change for the club.

    Director:Kentaro Mizuno
    Writer:Unknown

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  9. Grand Blue Dreaming Season 1 Episode 8 - Men's Cocktails
    8.4/10(431 votes)

    #9 - Men's Cocktails

    S1:E8

    The members of the diving team start working part-time jobs to pay for their trip to Okinawa. However, Iori and Kohei end up spending all their earnings on drinking. Meanwhile, Kotobuki is working hard as a bartender, and his boss lets Iori and Kohei try it out too. However, these two idiots don't know how to make cocktails, and end up creating some dangerous new drinks!

    Director:Yoshihisa Matsumoto
    Writer:Shinji Takamatsu

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  10. Grand Blue Dreaming Season 1 Episode 7 - Doubles
    8.3/10(411 votes)

    #10 - Doubles

    S1:E7

    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!

    Director:Takashi Kobayashi
    Writer:Shinji Takamatsu

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  11. Grand Blue Dreaming Season 2 Episode 4 - Ticket Scramble
    8.3/10(3 votes)

    #11 - Ticket Scramble

    S2:E4

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

    Director:Kentaro Mizuno
    Writer:Shinji Takamatsu

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  12. Grand Blue Dreaming Season 2 Episode 5 - First Time at a Women's University
    8.3/10(3 votes)

    #12 - First Time at a Women's University

    S2:E5

    Iori and Kohei attend the All-Girls College Festiva, but the girls ask them to help out at the cafe.

    Director:Shigeki Awai
    Writer:Shinji Takamatsu

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  13. Grand Blue Dreaming Season 2 Episode 7 - The Charpy Impact Test
    8.3/10(3 votes)

    #13 - The Charpy Impact Test

    S2:E7

    Iori and his class need to cooperate and do a very dangerous experiment together.

    Directors:Kentaro Mizuno, Keita Nakano
    Writer:Unknown

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  14. Grand Blue Dreaming Season 2 Episode 9 - Are You In Love?
    8.3/10(3 votes)

    #14 - Are You In Love?

    S2:E9

    All sorts of misunderstandings ensue as attraction comes into the equation.

    Director:Hiroki Sakamoto
    Writer:Unknown

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  15. Grand Blue Dreaming Season 2 Episode 10 - Movie Date
    8.3/10(3 votes)

    #15 - Movie Date

    S2:E10

    Iori is asked out on a movie date, and he hears some news that complicates things.

    Director:Hidehiko Kadota
    Writer:Unknown

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  16. Grand Blue Dreaming Season 1 Episode 12 - Otori
    8.2/10(372 votes)

    #16 - Otori

    S1:E12

    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...

    Director:Masaki Utsunomiya
    Writer:Shinji Takamatsu

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  17. Grand Blue Dreaming Season 1 Episode 4 - The Male Beauty Pageant
    8.1/10(400 votes)

    #17 - The Male Beauty Pageant

    S1:E4

    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.

    Director:Ryuta Kawahara
    Writer:Shinji Takamatsu

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  18. Grand Blue Dreaming Season 1 Episode 5 - Too Late
    8.1/10(394 votes)

    #18 - Too Late

    S1:E5

    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!

    Director:Yoshihisa Matsumoto
    Writer:Shinji Takamatsu

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  19. Grand Blue Dreaming Season 1 Episode 10 - Arrival in Okinawa
    8.1/10(364 votes)

    #19 - Arrival in Okinawa

    S1:E10

    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!

    Director:Nanako Shimazaki
    Writer:Shinji Takamatsu

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  20. Grand Blue Dreaming Season 1 Episode 9 - Truth or Dare
    8.0/10(366 votes)

    #20 - Truth or Dare

    S1:E9

    Iori tries to setup another mixer for his friends, and wants to ask Chisa to introduce her friends so they can all play truth or dare. Nanaka and Azusa also get involved, and they all begin a vicious game of attack and defense! However, Iori doesn't have enough money for their trip. Iori and the gang head to a diving shop to buy diving gear, but find out there's still a lot they don't know.

    Director:Atsuko Tonomizu
    Writer:Kenji Inoue

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  21. Grand Blue Dreaming Season 1 Episode 1 - Deep Blue
    7.9/10(480 votes)

    #21 - Deep Blue

    S1:E1

    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.

    Director:Shinji Takamatsu
    Writer:Shinji Takamatsu

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  22. Grand Blue Dreaming Season 1 Episode 2 - Underwater
    7.8/10(427 votes)

    #22 - Underwater

    S1:E2

    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.

    Director:Atsuko Tonomizu
    Writer:Shinji Takamatsu

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  23. Grand Blue Dreaming Season 1 Episode 3 - A New World
    7.8/10(399 votes)

    #23 - A New World

    S1:E3

    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.

    Director:Keisuke Nishijima
    Writer:Shinji Takamatsu

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  24. Grand Blue Dreaming Season 1 Episode 6 - First Buddy
    7.8/10(372 votes)

    #24 - First Buddy

    S1:E6

    Inori and Kohei get through their exams by cheating. Meanwhile, PaB throws a welcome party for Aina, their new member. Aina was looking forward to getting a new start to college life, but discovers that no one in the club is normal! Nevertheless, the club members are serious about diving and have the new members learn basic hand signals and dive in pairs. However, Iori gets paired up with Chisa.

    Director:Masaki Utsunomiya
    Writer:Shinji Takamatsu

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Best Episodes Summary

"Association" is the best rated episode of "Grand Blue Dreaming". It scored 9/10 based on 3 votes. Directed by Shinji Sano and written by Shinji Takamatsu, it aired on 7/22/2025. This episode scored 0.3 points higher than the second highest rated, "Brother".