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The Worst Episodes of Grand Blue Dreaming

Every episode of Grand Blue Dreaming ranked from worst to best. Explore the Worst Episodes of Grand Blue Dreaming!

Worst episode
S2E2 Brother
7.6570 votes
Best episode
S3E7 Mother
8.9502 votes
Top season
Season 3
8.2avg
Binge time
14h 24m
36 episodes
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons4

All1234

Episode Rankings

  1. #1 Worst Episode
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    Grand Blue Dreaming Season 2 Episode 2 - Brother
    7.6/10(570 votes)

    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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  2. Grand Blue Dreaming Season 3 Episode 3 - Saving Private Passport
    7.6/10(402 votes)

    S3:E3

    Iori must navigate Shiori, the tourists, and the stalker on the loose to get his hands on his passport.

    Director:Unknown
    Writer:Unknown

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  3. Grand Blue Dreaming Season 3 Episode 2 - Homecoming
    7.7/10(407 votes)

    S3:E2

    Iori and the gang head to his family home to grab his passport for the upcoming trip.

    Director:Unknown
    Writer:Unknown

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  4. Grand Blue Dreaming Season 3 Episode 9 - Ordeals
    7.7/10(360 votes)

    S3:E9

    The boys have run into several issues over the summer, and they need the collective think tank to resolve them!

    Director:Unknown
    Writer:Unknown

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  5. Grand Blue Dreaming Season 1 Episode 3 - A New World
    7.8/10(672 votes)

    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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  6. Grand Blue Dreaming Season 1 Episode 6 - First Buddy
    7.8/10(632 votes)

    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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  7. Grand Blue Dreaming Season 2 Episode 4 - Ticket Scramble
    7.8/10(517 votes)

    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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  8. Grand Blue Dreaming Season 1 Episode 1 - Deep Blue
    7.9/10(808 votes)

    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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  9. Grand Blue Dreaming Season 1 Episode 2 - Underwater
    7.9/10(710 votes)

    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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  10. Grand Blue Dreaming Season 3 Episode 1 - Unfinished Business
    7.9/10(478 votes)

    S3:E1

    Summer is coming to an end, and the older kids at the club want to do the things they still have left to do.

    Director:Unknown
    Writer:Unknown

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  11. Grand Blue Dreaming Season 1 Episode 9 - Truth or Dare
    8.0/10(623 votes)

    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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  12. Grand Blue Dreaming Season 2 Episode 5 - First Time at a Women's University
    8.0/10(531 votes)

    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 3 Episode 4 - The Oceans of Palau
    8.0/10(356 votes)

    S3:E4

    The group eagerly arrives in Palau, where someone they know well is waiting for them.

    Director:Unknown
    Writer:Unknown

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  14. Grand Blue Dreaming Season 3 Episode 10 - Lottery
    8.0/10(323 votes)

    S3:E10

    Iori has a craving for his favorite food, and he also receives a lottery ticket.

    Director:Unknown
    Writer:Unknown

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  15. Grand Blue Dreaming Season 1 Episode 5 - Too Late
    8.1/10(665 votes)

    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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  16. Grand Blue Dreaming Season 2 Episode 3 - Association
    8.1/10(547 votes)

    S2:E3

    Aina is out of control! But why?

    Director:Shinji Sano
    Writer:Shinji Takamatsu

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  17. Grand Blue Dreaming Season 2 Episode 7 - The Charpy Impact Test
    8.1/10(540 votes)

    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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  18. Grand Blue Dreaming Season 2 Episode 10 - Movie Date
    8.1/10(484 votes)

    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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  19. Grand Blue Dreaming Season 2 Episode 11 - Let's Go to an Uninhabited Island!
    8.2/10(449 votes)

    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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  20. Grand Blue Dreaming Season 1 Episode 10 - Arrival in Okinawa
    8.2/10(625 votes)

    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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  21. Grand Blue Dreaming Season 1 Episode 4 - The Male Beauty Pageant
    8.2/10(677 votes)

    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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  22. Grand Blue Dreaming Season 3 Episode 5 - TV Special
    8.3/10(399 votes)

    S3:E5

    A TV crew has arrived to film a special at Dolphin, and the gang gets roped into it!

    Director:Unknown
    Writer:Unknown

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  23. Grand Blue Dreaming Season 2 Episode 12 - Now We're Even
    8.3/10(442 votes)

    S2:E12

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

    Director:Kentaro Mizuno
    Writer:Unknown

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  24. Grand Blue Dreaming Season 1 Episode 12 - Otori
    8.3/10(629 votes)

    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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  25. Grand Blue Dreaming Season 1 Episode 7 - Doubles
    8.3/10(679 votes)

    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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Worst Episodes Summary

"Brother" is the worst rated episode of Grand Blue Dreaming. It scored 7.6/10 from 570 votes. Directed by Takeshi Toda and written by Shinji Takamatsu, it aired on July 15, 2025.

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