TVOn air
Blue Box 2024– · watch all episodes online
アオのハコ
- 2024–
- 1 season
- 29 episodes
- TV-PG
- Comedy
- Romance
- Sports
S01E30 · Coming Nov 1, 2026
“Do these sports-crossed lovers have a chance?”
Episodes
Season 1
29 episodes · 2024
1✓ WatchedChinatsu SenpaiDespite a few heart-fluttering encounters, Taiki doubts his crush Chinatsu even knows his name. Later, shocking news forces him to make a bold move.
2✓ WatchedYou Have to Go to NationalsTaiki's new housemate quickly makes herself at home. As they grow closer, his attempts to keep the situation a secret cause a misunderstanding.
3✓ WatchedChiiTaiki overhears Haryu calling Chinatsu by a special nickname and gets flustered. Will it affect his upcoming match against the upperclassman?
4✓ WatchedIf He WinsA 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.
5✓ WatchedAquariumWith both players going neck and neck on the court, will Taiki win his match against Kishi — and will Chinatsu invite him to the aquarium?
6✓ WatchedWish Me LuckOn her way to return Chinatsu's mobile phone, Hina makes a shocking discovery. The gymnast faces mounting pressure while struggling with her new feelings.
7✓ WatchedCan 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.
8✓ WatchedScore!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.
9✓ WatchedI'll Be Rooting for YouFrustrated with his loss to Sajikawa High, Taiki overworks himself studying for midterms and falls ill, when Chinatsu suddenly appears in his room.
10✓ WatchedIt's Not a Good ThingAfter a sleepless night, Taiki asks Haryu for relationship advice. Later, Chinatsu realizes her recent behavior might hinder her dream and trouble others.
11✓ WatchedUncool!With the annual fireworks festival approaching, Hina musters the courage to invite Taiki, who's been avoiding Chinatsu since their awkward conversation.
12✓ WatchedGirls...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.
13✓ WatchedI Want a Back-and-Forth RallyTaiki worries about a potential misunderstanding after Chinatsu departs. At the badminton nationals, he learns more about Karen and Haryu's relationship.
14✓ WatchedWhat'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✓ WatchedAugust 26Despite it being her birthday, Chinatsu still seems a little down. Taiki takes her somewhere special — but the weather might have other plans.
16✓ WatchedUnfair WomanAs a new school term begins, the school buzzes with preparations for the upcoming festival. Chinatsu reflects on her restless feelings towards Taiki.
17✓ WatchedOf Course I Want to See ItUpon learning of an upcoming practice match with Sajikawa High, Taiki worries about facing Yusa gain. Chinatsu and Hina promise their support.
18✓ WatchedI KnowSajikawa High arrives for the much-anticipated practice match. As Chinatsu watches from the sidelines, she thinks about how far Taiki has come.
19✓ WatchedI've Got PlansJust before the school festival starts, Taiki goes for his usual morning jog and finds Chinatsu practicing nearby. She extends a surprising invitation.
20✓ WatchedAs One of Her Closest FriendsAfter 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.
21✓ WatchedA Chance to BlossomWhile rumors swirl around Taiki and Hina, Chinatsu seems unfazed. However, while spending the night at Karen's, the basketballer shares her true thoughts.
22✓ WatchedInota!After learning about Hina's unrequited feelings for Taiki, Ayame decides to help — and the perfect chance arises at the upcoming autumn training camp!
23✓ WatchedSpinningAn exciting card game with friends leaves Taiki's head spinning. He mulls over his feelings for Chinatsu and Hina as the training camp continues.
24✓ WatchedA Roller CoasterHina 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.
25✓ WatchedEven SoAyame faces the consequences of her meddling and tries all sorts of ways to console Hina. Meanwhile, Taiki strengthens his resolve and asks Chinatsu out.
26✓ WatchedDéjà VuTaiki 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.
27✓ WatchedAdmirationAfter 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.
28✓ WatchedThey're One and the SameYumeka snaps at Taiki for overstepping while a teammate's harsh words stir up old memories for Chinatsu. Later, a chance encounter catches her off guard.
29✓ WatchedLove Is the Most Powerful FeelingChinatsu walks away, leaving Yumeka to confront her true feelings. Middle school memories come flooding back, revealing how her love for basketball faded.
30Coming Nov 1, 2026Episode 30- 31Coming Nov 8, 2026Episode 31
- 32Coming Nov 15, 2026Episode 32
- 33Coming Nov 22, 2026Episode 33
- 34Coming Nov 29, 2026Episode 34
- 35Coming Dec 6, 2026Episode 35
- 36Coming Dec 13, 2026Episode 36
- 37Coming Dec 20, 2026Episode 37
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Watch Blue Box online free on this page: the official trailer in HD, the player and a page for every episode, with no sign-up and no subscription. Blue Box (2024–, animation, drama) has 2 seasons and 26 episodes; below you'll find the plot and the voice cast. It is part of our collections: Ongoing Anime — Fall 2026, New Anime Hits, Best Romance Anime. Episodes can't be downloaded here and there are no torrents — the page is for watching online only.
About the series
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!
In these collections
Blue Box: questions & answers
Where can I watch Blue Box online for free?
Right here: this page has the official Blue Box trailer in HD and the player, free and without sign-up.
Can I download Blue Box for free?
No. Blue Box can't be downloaded from this site and there are no torrent links — the page is for watching online: the trailer and the player.
What is Blue Box about?
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.
Is Blue Box dubbed or subbed?
That depends on the video: when the player has Blue Box, the audio tracks and subtitles it carries are listed right above it. The original Japanese track is the usual default.
How many seasons and episodes does Blue Box have?
Blue Box has 2 seasons and 26 episodes.
