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Anime series

Blue Box

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S1 E31

· Today

About Blue Box

Blue Box is a drama anime series that premiered on TBS on October 3, 2024. It has 1 season and 37 episodes so far and is still airing new episodes. The latest episode, Season 2 Episode 6, aired on November 8, 2026. The next episode, Season 1 Episode 31, airs on Sunday, November 8, 2026.

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

  • Animation
  • Drama

Last updated

Episodes

37 episodes · 2 seasons

Blue Box Season 3 hasn’t been dated yet. See what we know. Release date →

Season 1

2024 · 37 episodes · Last episode: today

Blue Box Season 1 release dates →
  1. Blue Box S1 E27 still E27

    27. Admiration

    After a tense run-in with Yumeka, Chinatsu opens up about their past on the train ride home. Taiki sets out to learn what tore apart their friendship.

  2. Blue Box S1 E26 still E26

    26. Déjà Vu

    Taiki and Chinatsu's outing kicks off at a sports shop. But when an uninvited guest crashes their cafe plans, Taiki hears a name he won't soon forget.

  3. Blue Box S1 E25 still E25

    25. Even So

    Finale

    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.

  4. Blue Box S1 E24 still E24

    24. A Roller Coaster

    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.

  5. Blue Box S1 E23 still E23

    23. Spinning

    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.

  6. Blue Box S1 E22 still E22

    22. Inota!

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

  7. Blue Box S1 E21 still E21

    21. A Chance to Blossom

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

  8. Blue Box S1 E20 still E20

    20. As One of Her Closest Friends

    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.

  9. Blue Box S1 E19 still E19

    19. I've Got Plans

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

  10. Blue Box S1 E18 still E18

    18. I Know

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

  11. Blue Box S1 E17 still E17

    17. Of Course I Want to See It

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

  12. Blue Box S1 E16 still E16

    16. Unfair Woman

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

  13. Blue Box S1 E15 still E15

    15. August 26

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

  14. Blue Box S1 E14 still E14

    14. What's the Connection?

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

  15. Blue Box S1 E13 still E13

    13. I Want a Back-and-Forth Rally

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

  16. Blue Box S1 E12 still E12

    12. Girls...

    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.

  17. Blue Box S1 E11 still E11

    11. Uncool!

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

  18. Blue Box S1 E10 still E10

    10. It's Not a Good Thing

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

  19. Blue Box S1 E9 still E9

    9. I'll Be Rooting for You

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

  20. Blue Box S1 E8 still E8

    8. Score!

    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.

  21. Blue Box S1 E7 still E7

    7. Can I Have One?

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

  22. Blue Box S1 E6 still E6

    6. Wish Me Luck

    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.

  23. Blue Box S1 E5 still E5

    5. Aquarium

    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?

  24. Blue Box S1 E4 still E4

    4. If He Wins

    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.

  25. Blue Box S1 E3 still E3

    3. Chii

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

  26. Blue Box S1 E2 still E2

    2. You Have to Go to Nationals

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

  27. Blue Box S1 E1 still E1

    1. Chinatsu Senpai

    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.

Season 2

2026 · 24 episodes · Last episode: today

Blue Box Season 2 release dates →

Cast & crew

  • Chiaki Kobayashi

    Chiaki Kobayashi

    Kyo Kasahara (voice)

  • Yuma Uchida

    Yuma Uchida

    Kengo Haryu (voice)

  • Shogo Sakata

    Shogo Sakata

    Ryosuke Nishida (voice)

  • Kana Ichinose

    Kana Ichinose

    Ayame Moriya (voice)

  • Haruka Shiraishi

    Haruka Shiraishi

    Karen Moriya (voice)

  • Yuki Ono

    Yuki Ono

    Shota Hyodo (voice)

  • Kensho Ono

    Kensho Ono

    Shuji Yusa (voice)

  • Yuki Kaji

    Yuki Kaji

    Kazuma Matsuoka (voice)

  • Kengo Kawanishi

    Kengo Kawanishi

    Shoichiro Kishi (voice)

  • Anna Nagase

    Anna Nagase

    Nagisa Funami (voice)

  • Asaki Yuikawa

    Asaki Yuikawa

    Niina Shimazaki (voice)

  • Gen Sato

    Gen Sato

    Yakushiji (voice)

  • Ryoka Yuzuki

    Ryoka Yuzuki

    Taiki's Mother (voice)

  • Hiroki Maeda

    Hiroki Maeda

    Taiki's Father (voice)

  • Satoshi Miyazaki

    Satoshi Miyazaki

    Taiki's Grandfather (voice)

  • Kaori Nazuka

    Kaori Nazuka

    Chinatsu's Mother (voice)

Blue Box FAQ

When is the next episode of Blue Box?

The next episode of Blue Box, Season 1 Episode 31, airs on Sunday, November 8, 2026. Get the Streambay app to be notified the moment it's out.

When did the latest episode of Blue Box come out?

The most recent episode of Blue Box, Season 2 Episode 6, aired on November 8, 2026.

How many seasons of Blue Box are there?

Blue Box has 1 season with 37 episodes in total.

When did Blue Box first air?

Blue Box first aired on TBS on October 3, 2024.

How do I get notified when new episodes of Blue Box are released?

Download the Streambay app, follow Blue Box, and you'll get a push notification the moment each new episode is released.

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