Haikyuu!! Season 1 (Karasuno Formation / Interhigh Qualifiers) reviewed as a destination page: worth watching, arc structure, scores, and who it is for. Hub: Haikyuu!!. Episodes 1–25 this season.
Hook
Karasuno Formation / Interhigh Qualifiers is 25 episodes of Production I.G sports storytelling that builds Karasuno from a fallen powerhouse into a loud, unfinished machine — Hinata/Kageyama chemistry first, Interhigh bruises second.
This page is for sequential viewers deciding whether Season 1 is a binge, a weekly ritual, or a skip — spoiler-free advice up top, full-arc depth after the warning.
Quick Information
- Season: Season 1
- Episodes: 25
- Arc: Karasuno Formation / Interhigh Qualifiers
- Studio: Production I.G
- Air window: April 6, 2014 – September 21, 2014
- Kagex score: 9.0 / 10
- Where to watch: Crunchyroll / Netflix (region-dependent)
Should You Watch Season 1?
Yes if you finished prior seasons (or you are starting fresh — begin at Episode 1). Season 1 is not a random highlight reel — start at Season 1 Episode 1 if you are new.
Worth bingeing? If you like team chemistry, match-long tension, and characters who improve by listening. Who bounces? Viewers who only want final-set fireworks and skip practice / scout episodes — those hours are load-bearing here.
Spoiler Warning
Full Season 1 spoilers follow. Stop above for a clean first watch of this season.
Season Story Overview
Hinata is inspired by the Small Giant playing volleyball on TV. Three years later, Hinata goes to his first ever volleyball tournament and his team is paired against Kitagawa Daiichi, the school of Kageyama Tobio, also known as the King of the Court. Their match against each other leaves them both interested in their skills and sparks a rivalry. However, they meet again the next year, but this time as team mates in their new high school–Karasuno. Hinata arrives at Karasuno High School, determined to join the volleyball club and defeat Kageyama. He is shocked when he walks into the gym and finds that Kageyama is a potential member of the Karasuno team as well. They fight right away and when captain Daichi Sawamura arrives, he throws the two out and tells them they can’t join the club until they start to get along. Instead of agreeing to work as a team though, they challenge the 3rd years to a match on the condition that if they win, they join the team. Sugawara starts helping Hinata and Kageyama practice in the morning. After hearing Hinata‘s jaded opinions of Kageyama, Sugawara encourages him to work with the first year setter because he could become Hinata‘s most formidable ally. As the days pass, Hinata slowly improves, but his relationship with Kageyama isn’t going anywhere until they encounter Tsukishima and Yamaguchi, the other first years applying for the club. Tsukishima…
Episode 1 — “Endings and Beginnings”
Hinata is inspired by the Small Giant playing volleyball on TV. Three years later, Hinata goes to his first ever volleyball tournament and his team is paired against Kitagawa Daiichi, the school of Kageyama Tobio, also known as the King of the Court. Their match against each other leaves them both interested in their skills and sparks a rivalry. However, they meet again the next year, but this time as team mates in t…
Kagex note: Episode 1 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 2 — “Karasuno High School’s Volleyball Club”
Hinata arrives at Karasuno High School, determined to join the volleyball club and defeat Kageyama. He is shocked when he walks into the gym and finds that Kageyama is a potential member of the Karasuno team as well. They fight right away and when captain Daichi Sawamura arrives, he throws the two out and tells them they can’t join the club until they start to get along. Instead of agreeing to work as a team though, …
Kagex note: Episode 2 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 3 — “The Formidable Ally”
Sugawara starts helping Hinata and Kageyama practice in the morning. After hearing Hinata‘s jaded opinions of Kageyama, Sugawara encourages him to work with the first year setter because he could become Hinata‘s most formidable ally. As the days pass, Hinata slowly improves, but his relationship with Kageyama isn’t going anywhere until they encounter Tsukishima and Yamaguchi, the other first years applying for the cl…
Kagex note: Episode 3 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 4 — “The View From the Summit”
The practice match that will determine Kageyama and Hinata‘s future with the Karasuno High Volleyball Club begins as Kageyama, Hinata, and Tanaka battle Tsukishima, Yamaguchi, and captain Daichi in a 3-on-3 match. Kageyama and Hinata can’t coordinate initially due to Kageyama‘s old setting habits and constant harassment from Tsukishima but with encouragement from Sugawara, they manage to figure out a way to utilize t…
Kagex note: Episode 4 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 5 — “A Coward’s Anxiety”
Kageyama and Hinata‘s combos start improving, and Hinata‘s skills as a decoy begin to emerge. Kageyama, Hinata, and Tanaka are able to rally and win the 3-on-3 first year match, allowing Kageyama and Hinata to be accepted as official team members. As soon as they receive their team jackets, advisor Ittetsu Takeda arrives and announces a practice match with Aoba Johsai. However, there is one condition: Tobio Kageyama …
Kagex note: Episode 5 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 6 — “An Interesting Team”
Karasuno arrives at Aoba Johsai, but Hinata‘s anxiety doesn’t change. Before the match even begins, Kageyama runs into his old teammate, Kindaichi, who continually calls him king of the court and brings up his past. Karasuno does poorly at first due to Hinata‘s mistakes but once the match gets underway, Hinata and Kageyama‘s quick attack proves to be an effective weapon. As Karasuno appears to be winning, Kageyama re…
Kagex note: Episode 6 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 7 — “Versus the Great King”
Oikawa suddenly shows up for the practice match. He is revealed to be Aoba Johsai’s captain and official setter. He is also Kageyama‘s senpai from middle school. Oikawa enters the game and immediately targets his perfect serves at Tsukishima who can’t receive them properly; this allows Aoba Johsai to catch up to Karasuno. It isn’t until Daichi changes their formation that Karasuno is finally able to win the match aga…
Kagex note: Episode 7 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 8 — “He Who Is Called ‘Ace’”
While practicing, Kageyama‘s shocked when a stranger runs into the gym and perfectly receives his serve. The stranger’s revealed to be Nishinoya, Karasuno’s libero who had been away due to club activities suspension. After introductions, Nishinoya learns that Karasuno’s ace, Asahi, isn’t back and angrily storms out. Seeing how unhappy the upperclassmen are without the ace, Hinata and Kageyama go to him to try to conv…
Kagex note: Episode 8 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 9 — “A Toss to the Ace”
Keishin Ukai agrees to Karasuno’s coach after he learns of the upcoming practice match, but only until the practice match is finished. To familiarize himself with the current players’ abilities, he arranges a match for them against the neighborhood volleyball association. Nishinoya and Sugawara are placed on the association team to allow an even match, as only four of the players had been able to make it. Filling in …
Kagex note: Episode 9 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 10 — “Yearning”
As Asahi regains his confidence as the ace, Hinata and Kageyama finally get to use their quick. Ukai’s shocked at the two’s coordination and Kageyama‘s skills, which he compares with Sugawara‘s dependability and experience, further complicating his decision on which player to pick as the official setter. On the side, Hinata gets distracted as he compares himself with Asahi and how he would never attain that level of …
Kagex note: Episode 10 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 11 — “Decision”
The training camp officially begins and the players ready themselves for the showdown against Nekoma. Surprising backstories of the upperclassmen are revealed and Ukai struggles with his decision on the official setter; in the end, he decides on Kageyama. Nekoma arrives in Miyagi and overwhelms in its practice matches while Hinata unknowingly meets its setter, who looks forward to playing against the first year. The …
Kagex note: Episode 11 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 12 — “The Neko-Karasu Reunion”
Nekoma and Karasuno begin their match with Kageyama and Hinata connecting on a quick attack that gives Karasuno the 1-0 lead. Nekoma realizes that they’re up against a genius setter, so they decide to start marking Hinata. Hinata‘s blocker gets used to his speed, and starts to block his shots, allowing Nekoma to win the first set 25-22. However, Hinata isn’t discouraged and continues trying. Suddenly, he figures out …
Kagex note: Episode 12 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 13 — “Rival”
Nekoma and Karasuno play the second set to an epic 25-23 showdown but in the end, Karasuno falls just short. However, the two schools reform a rivalry that is better than time could imagine. The two come to realize they both have similar personalities on their teams, and they both have players with goals and ambitions. Best of all, they realize they are starting to unite as a team. Despite being thoroughly crushed, K…
Kagex note: Episode 13 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 14 — “Formidable Opponents”
The bracket for the Interhigh is announced. Karasuno has its final practices and works on back-end spikes and signals. Yamaguchi secretly seeks out Shimada’s help with the jump float serve so he won’t be the only first year without an ability to contribute to the team. As the Interhigh approaches, Hinata remembers that around this time last year, Yukigaoka’d lost to Kitagawa Daiichi. Determined, Hinata vows to win at…
Kagex note: Episode 14 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 15 — “Revival”
The first day of Interhigh finally comes. Karasuno walks into the stadium to rumors about it being “Flightless Crows”, but the players are determined to change their reputation. Daichi catches up with a former teammate before they vow to defeat each other. The match between Karasuno and Tokonami begins and Karasuno easily takes the first three points. Kageyama and Hinata unveil their quick strike and Asahi proves his…
Kagex note: Episode 15 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 16 — “Winners and Losers”
Karasuno dominates Tokonami and easily wins the first set, but the players don’t falter and continue giving their full efforts. Tokonami begins to lose hope and Ikejiri thinks back to a match from junior high where Daichi gave a speech to the team. He repeats a quote from his friend, motivating his current teammates to give their full efforts as well. Despite that, Karasuno ends up winning easily. Ikejiri is saddened…
Kagex note: Episode 16 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 17 — “The Iron Wall”
Date Tech and Karasuno battle it out in the second round, with neither side leading for long. While Date Tech easily blocks Karasuno’s attackers, Karasuno defense holds strong thanks to Daichi and Nishinoya. Kageyama begins to enact the plan Ukai came up with: force Hinata to stand out to take the attention off the other attackers. The two first years use their usual quick strike and throw Date Tech off. When Aone st…
Kagex note: Episode 17 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 18 — “Guarding Your Back”
Karasuno manages to gain momentum in set 1 and steals the game 25-21. For set two they perform a double rotation to get Hinata away from the Giant #7. While this frees up Hinata for more quick attacks, it also means the matches result will rely heavily on Asahi‘s ability to blast through the Iron Wall as he faces #7. When Hinata becomes the vanguard up front, Karasuno is able to slowly increase their lead. However, H…
Kagex note: Episode 18 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 19 — “Conductors”
Karasuno observes Aoba Johsai’s match and is unnerved by Oikawa‘s skill in serves and tosses, especially Kageyama, who has been in Oikawa‘s shadow since junior high. The match against the two teams takes place the next day, and Karasuno seems to be more motivated than ever. Right away, Aoba Johsai gets the upper-hand with Oikawa‘s setter dump and skillfully executed techniques. However, Kageyama reveals tricks of his…
Kagex note: Episode 19 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 20 — “Oikawa Tōru is not a Genius”
Aoba Johsai starts to overwhelm Karasuno and builds a huge point gap. Things get even worse when Oikawa figures out the secret signals Kageyama and Hinata use for their quick strike, and Kageyama begins to panic. This ruins his momentum as he goes too fast with his tosses while Oikawa continues taking point after point. With no timeouts left for this set, Ukai has no choice but to sub Sugawara in.
Kagex note: Episode 20 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 21 — “Senpai’s True Abilities”
Sugawara subs in for Kageyama, and Aoba Johsai wins the first set. Kageyama is shocked as he watches Sugawara reveal his real setting abilities. Karasuno takes the lead in the second set thanks to Sugawara‘s tactics, but Oikawa‘s serves are still a major problem. After observing Sugawara‘s interactions with his teammates, Kageyama finally learns what it means to be a setter–and a team member.
Kagex note: Episode 21 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 22 — “Evolution”
After being subbed back in, Kageyama attempts to communicate with each of his teammates and learns how to accommodate the different attackers. He and Tsukishima manage to sync with each other and become an unstoppable force. Oikawa watches this revel and remembers his bitterness and jealousy towards Kageyama from junior high and his goals to defeat Ushijima. He’s not backing down and wants to defeat Karasuno more tha…
Kagex note: Episode 22 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 23 — “The Point that Changes the Momentum”
Aoba Johsai begins to pull away in the third set, forcing Coach Ukai to make some drastic decisions. Yamaguchi is subbed in as a pinch server, but the pressure proves to be too much to overcome. A service error occurs, but the error allows Karasuno to calm down and motivates it to fight to its full efforts. Karasuno is finally right at Aoba Johsai’s back.
Kagex note: Episode 23 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 24 — “Removing the Lonely King”
Kageyama matches Oikawa point for point as the teams become dead even. The long sets take a toll on both teams’ energy and Kageyama starts to notice a change in a former teammate’s attitude towards volleyball. It soon becomes clear to him the difference in his and Oikawa‘s abilities but just as he begins to despair, Hinata reminds him that he belongs on Karasuno now. Oikawa acknowledges that Kageyama has realized wha…
Kagex note: Episode 24 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Episode 25 — “The Third Day”
After suffering a heartbreaking loss to Aoba Johsai, the third years must decide if they will retire or participate in the spring tournament. Kageyama and Hinata vent their frustration in the gym and determine to keep moving forward. The winner of the fall tournament is revealed, and Karasuno begins its first real practice to get ready for the spring tournament.
Kagex note: Episode 25 sits inside Karasuno Formation / Interhigh Qualifiers. Watch for how Karasuno’s system (or lack of one) changes under pressure — not just who spikes the loudest.
Story Analysis
Karasuno Formation / Interhigh Qualifiers works because Haikyuu!! treats volleyball as a language: tosses are sentences, blocks are arguments, free balls are panic. Season 1 balances setpiece matches with gym politics, rivalry etiquette, and the slow craft of becoming a team that can survive a third set.
Story score 9.0: the season earns its peaks by making earlier practice hours matter. Production I.G does not soft-reset Karasuno between arcs — skills stick, egos linger, and scouting notes become plot.
Compared with generic sports power fantasies, Season 1 keeps constraints visible: height, rotation, stamina, and trust. When Karasuno looks miraculous, it is usually a system trick you were taught earlier — not a random aura.
Character Analysis
Core: Hinata, Kageyama, Daichi, Sugawara, plus the gym’s specialists (Noya, Tanaka, Tsukishima, Yamaguchi, Asahi). Oikawa and early rivals teach Karasuno what “strong” looks like before they can earn that word themselves.
Characters score 9.2: growth is positional and social. Setters learn to trust. Aces learn to receive help. Bench players learn that noise can be a job.
World Building
Season 1 expands Miyagi → Interhigh qualifier reality. Clubs feel like institutions with alumni ghosts, coach philosophies, and scout gossip — not costume sets.
Animation
Production I.G Season 1: elastic athleticism, readable formations, and faces that sell panic between whistles. Score 8.9.
Music & Voice Acting
SPYAIR’s “Imagination” opens the Karasuno rebuild — gym dust, vow energy, zero fake hype. Early EDs keep the aftertaste of junior-high sting.. Score 8.8.
Best Moments
- Episode 1 — “Endings and Beginnings”
- Episode 5 — “A Coward’s Anxiety”
- Episode 10 — “Yearning”
- Episode 13 — “Rival”
- Episode 15 — “Revival”
- Episode 20 — “Oikawa Tōru is not a Genius”
- Episode 25 — “The Third Day”
Pros & Cons
Pros: Peak team volleyball storytelling; clear seasonal identity; characters who improve for real.
Cons: Requires prior seasons commitment through early club-building; dialogue-heavy scout/practice hours before some finales.
Final Verdict
9.0 / 10 for Season 1.
- Story: 9.0
- Characters: 9.2
- Animation: 8.9
- Music: 8.8
- Enjoyment: 9.1
Season 1 is required sequential viewing if you care about Karasuno’s climb.
What Comes Next
Continue to Season 2.
FAQ
Episode count?
25 episodes in Season 1.
Watch order?
Sequential from Season 1 Episode 1 — do not start at Season 1 cold.
Where to watch?
Crunchyroll / Netflix (region-dependent).
Is Season 1 the peak?
It is a load-bearing chapter; peaks depend on whether you value formation, Tokyo growth, Shiratorizawa war, or Nationals scale.
Movies?
Later Haikyuu!! films continue beyond the TV seasons — finish the TV order first for clean context.
Keep exploring
Your turn
Where does Season 1 rank in your Haikyuu!! list?
Favorite matchup this season — and why?
