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The Best Episodes of Blue Box Season 1

Every episode of Blue Box Season 1 ranked from best to worst. Discover the Best Episodes of Blue Box Season 1!

The Best Episodes of Blue Box Season 1

Badminton player Taiki has always admired basketball star Chinatsu from afar. But one spring day, a surprising turn brings them unexpectedly close.
  1. 9.5/10(527 votes)

    #1 - A Roller Coaster

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    S1:E24

    Hina experiences a roller coaster of emotions over her affection for Taiki and, thanks to Ayame, gets a chance to be alone with him on the last night.

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  2. 9.2/10(699 votes)

    #2 - What's the Connection?

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    S1:E14

    While Chinatsu faces immense pressure at the nationals, Hina cheers up a worried Taiki with a game where the loser shares an embarrassing secret.

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    Director:Hitomi Ezoe
  3. 8.8/10(504 votes)

    #3 - August 26

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    S1:E15

    Despite it being her birthday, Chinatsu still seems a little down. Taiki takes her somewhere special — but the weather might have other plans.

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  4. 8.8/10(414 votes)

    #4 - I Know

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    S1:E18

    Sajikawa High arrives for the much-anticipated practice match. As Chinatsu watches from the sidelines, she thinks about how far Taiki has come.

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  5. 8.5/10(597 votes)

    #5 - Aquarium

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    S1:E5

    With both players going neck and neck on the court, will Taiki win his match against Kishi — and will Chinatsu invite him to the aquarium?

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  6. 8.5/10(548 votes)

    #6 - Wish Me Luck

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    S1:E6

    On her way to return Chinatsu's mobile phone, Hina makes a shocking discovery. The gymnast faces mounting pressure while struggling with her new feelings.

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  8. 8.4/10(472 votes)

    #7 - Girls...

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    S1:E12

    Taiki attends the fireworks festival with Hina and is surprised by her new look and shyness. Later, he unexpectedly bumps into Chinatsu with a lost child.

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  9. 8.3/10(502 votes)

    #8 - Score!

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    S1:E8

    As Taiki strives to make it to the nationals, Chinatsu gives him a word of encouragement. Later, Haryu and Taiki face top players in the doubles match.

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  10. 8.3/10(513 votes)

    #9 - I'll Be Rooting for You

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    S1:E9

    Frustrated with his loss to Sajikawa High, Taiki overworks himself studying for midterms and falls ill, when Chinatsu suddenly appears in his room.

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    Director:Yuka Yamato
  11. 8.3/10(443 votes)

    #10 - I Want a Back-and-Forth Rally

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    S1:E13

    Taiki worries about a potential misunderstanding after Chinatsu departs. At the badminton nationals, he learns more about Karen and Haryu's relationship.

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  12. 8.3/10(185 votes)

    #11 - Even So

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    S1:E25

    Ayame faces the consequences of her meddling and tries all sorts of ways to console Hina. Meanwhile, Taiki strengthens his resolve and asks Chinatsu out.

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  13. 8.2/10(838 votes)

    #12 - Chinatsu Senpai

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    S1:E1

    Despite a few heart-fluttering encounters, Taiki doubts his crush Chinatsu even knows his name. Later, shocking news forces him to make a bold move.

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  14. 8.2/10(601 votes)

    #13 - Chii

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    S1:E3

    Taiki overhears Haryu calling Chinatsu by a special nickname and gets flustered. Will it affect his upcoming match against the upperclassman?

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  15. 8.2/10(572 votes)

    #14 - If He Wins

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    S1:E4

    A gym uniform mix-up leads to a heart-pounding exchange. Later, Haryu raises the stakes for Taiki’s match, while Kyo makes a secret request to Chinatsu.

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  16. 8.2/10(365 votes)

    #15 - Of Course I Want to See It

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    S1:E17

    Upon learning of an upcoming practice match with Sajikawa High, Taiki worries about facing Yusa gain. Chinatsu and Hina promise their support.

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  17. 8.2/10(354 votes)

    #16 - As One of Her Closest Friends

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    S1:E20

    After a blissful time with Chinatsu, Nishida's ominous fortune comes true! His classmate playing the prince can't perform, so Taiki must take on the role.

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    Director:Yuma Suzuki
  18. 8.1/10(669 votes)

    #17 - You Have to Go to Nationals

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    S1:E2

    Taiki's new housemate quickly makes herself at home. As they grow closer, his attempts to keep the situation a secret cause a misunderstanding.

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    Director:Hitomi Ezoe
  19. 8.1/10(450 votes)

    #18 - Uncool!

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    S1:E11

    With the annual fireworks festival approaching, Hina musters the courage to invite Taiki, who's been avoiding Chinatsu since their awkward conversation.

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  20. 8.1/10(375 votes)

    #19 - Unfair Woman

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    S1:E16

    As a new school term begins, the school buzzes with preparations for the upcoming festival. Chinatsu reflects on her restless feelings towards Taiki.

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  21. 8.0/10(306 votes)

    #20 - A Chance to Blossom

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    S1:E21

    While rumors swirl around Taiki and Hina, Chinatsu seems unfazed. However, while spending the night at Karen's, the basketballer shares her true thoughts.

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    Director:Yuka Yamato
  22. 8.0/10(292 votes)

    #21 - Inota!

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    S1:E22

    After learning about Hina's unrequited feelings for Taiki, Ayame decides to help — and the perfect chance arises at the upcoming autumn training camp!

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    Director:Risa Suzuki
  23. 8.0/10(324 votes)

    #22 - Spinning

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    S1:E23

    An exciting card game with friends leaves Taiki's head spinning. He mulls over his feelings for Chinatsu and Hina as the training camp continues.

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    Director:Hitomi Ezoe
  24. 7.9/10(352 votes)

    #23 - I've Got Plans

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    S1:E19

    Just before the school festival starts, Taiki goes for his usual morning jog and finds Chinatsu practicing nearby. She extends a surprising invitation.

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  25. 7.8/10(506 votes)

    #24 - Can I Have One?

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    S1:E7

    Chinatsu overhears rival players speak poorly about her recent game. Later, Hina playfully steals a bite from Taiki — and Chinatsu notices from afar.

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    Director:Hitomi Ezoe
  26. 7.7/10(454 votes)

    #25 - It's Not a Good Thing

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    S1:E10

    After a sleepless night, Taiki asks Haryu for relationship advice. Later, Chinatsu realizes her recent behavior might hinder her dream and trouble others.

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Season 1 Ratings Summary

"A Roller Coaster" is the best rated episode of "Blue Box" season 1. It scored 9.5/10 based on 527 votes. Directed by Yoshiko Okuda and written by Yuko Kakihara, it aired on 3/20/2025. This episode is rated 0.3 points higher than the second-best, "What's the Connection?".