30 years ago, Meisei High School's baseball team won the much sought after Koshien Tournament, but haven't come close since. As the new school year at Meisei Junior High School begins, brothers Touma and Souichirou Tachibana start practicing in secret.

Otomi adopts a dog and names him Punch, as the Meisei baseball team debates who should be the club's ace pitcher.

The Meisei Junior High team progresses through the prelims of the national juniors as Souichirou and Touma begin their battery relationship.

To everyone's surprise, Daisuke pitches a whole winning game despite only having practiced with the team for an hour. The Meisei team goes to the Tokyo Tournament, but Daisuke doesn't show up until the game is well under way.

Meisei loses their match to Seinan after Nikaidou has a bad inning. Nishimura, Seinan's pitcher, tries to convince the Tachibana brothers to transfer to his team.

The mystery of Daisuke's odd practice attendance pattern is revealed. The new season brings changes to the Meisei baseball team, including a new Manager!

Spring brings a new baseball season. The brothers are in high school now, playing under their new manager Ooyama. Ooyama is reluctant to let Touma pitch with the upperclassmen, but he quickly changes his tune after watching Touma pitch.

A big storm blows in sending everyone running for cover, and Nan reminisces about his near-death experience. Souichirou meets Hiroki Mita, a star player from another school and Arisa's big brother.

Meisei and Toushu play a tense practice game. Arisa acts like a jerk, and both Touma and Souichirou show their skill as players.

All the boys love Otomi. Touma gets a letter from Haruka, inviting him on “a walk.” They travel for hours to solve a riddle, then get stuck in the middle of nowhere. While everyone else waits at the Tachibana residence, Ooyama reveals that Haruka and Touma met when they were three, and she threw soda in his face.

Punch is feeling under the weather. Ooyama learns where Tou picked up his pitching skills. The history of the Tachibana family and Meisei’s number 1 jersey is revealed.

For info on the history of the Meisei High School Baseball Club, Ramen Dragon is the place to be. Sou and Otomi's ties to the team go back farther than they knew.

Meisei prepares for their game against Kenjo, but will Haruka's observations be enough to help the Tachibana brothers lead their team to victory?

Touma puts the first run on the board for Meisei, but Kenjo’s star slugger Akai doesn’t intend to let it go unanswered.

It’s the bottom of the eighth, and Meisei is down by one. Will their dream of reaching Koshien once again be crushed in the first round of the East Tokyo Tournament?

Haruka scouts out Meisei’s next rival: Sankou High School. Meanwhile, Akai comes to an important realization.

Personalities collide after the team’s manager sends Souichirou and Haruka to scout out the competition.

Otomi spends the rainy day bowling, while her brothers try to figure out whether or not she's on a date!

With Sou and Tou powering the team through the early rounds of the tournament, Meisei's story draws fans from far and wide. Ryou learns that his family and Otomi’s are more alike than he knew.

Nobody expected Meisei to reach the quarterfinals – not even their manager. With Touma resting his arm out in left field, can the bullpen carry the team against the hard-hitting offense of Kaiou Nishi?

Meisei's path to Koshien is in peril as they face off against Kaiou Nishi. Do they have the skill—and the luck—to survive to the semifinals?

Now comes the highly anticipated semifinal match between Meisei and Toushu! The rising rookie battery of Touma and Souichiro faces off once more against the unshakeable prodigy, Hiroki Mita, in a tense pitchers' duel with the tournament on the line.

Six innings in, the semifinal match between Meisei and Toushu remains scoreless. Under the burning sun and the pressure of the crowd, which team's star pitcher will reach his limit first?

Meisei and Toushu's war of attrition has entered extra innings, neither pitcher allowing a single run. With Toushu playing in unfamiliar category, and Touma seemingly reaching a new level on the mound, will this be the year Meisei returns to Koshien?

Over summer break, the Meisei High baseball team reflects on the events of the Koshien tournament and begins making plans for the next year.

With the third-years now gone, the Meisei High team seeks to strengthen their fielding by courting a troubled student named Nishiki.

Spring vacation means graduations, flower-viewing, and the spring national tournament—which Ryou's brother seems to be dominating.

The history of the Akai brothers' bad blood is revealed as Ryou makes a decision about his future.

A near-accident brings Otomi face to face with a mysterious man. He doesn't remember his own name, but he seems to remember Meisei...

The mysterious stranger staying with the Tachibanas decides he wants to go for coffee, but the coffee shop he is taken to is nothing like the one he has vague memories of from a time long past.

Kenjo High challenges Meisei to a practice match to try to get their measure, but Ooyama isn't happy about the idea of showing off his team's new potential...

The practice match between Kenjo and Meisei heats up as Touma returns in time to take over the mound.

While Masaki and Harada reflect on the tragedies Meisei has faced in the past, Ooyama organizes an intra-team competition with team positions and ramen on the line.

What should be an easy win for Ooyama's team in the scrimmage grows more complicated when Touma can't throw his full heat to an inexperienced catcher.

Tsukikage wants to talk to Otomi and Touma to get ideas for her story, but on the way out, the sibling pair witnesses something unexpected...

As the summer tournament draws closer, Mr. Sengonbi reveals his connection to the Tachibana Siblings, and all involved reflect on what it means.

The qualifiers for the summer tournament at Koshien are finally underway. Due to being seeded, Meisei High gets a bye for the first and second rounds, meaning they have to wait to find out who their first opponent will be.

Meisei High plays Hiryuu North, a "delinquent" team with something to prove. When Natsuno starts looking shaky on the mound, Ooyama considers relieving him, but...

Old emotions and fears rise to the fore as Meisei prepares to face its next opponent: the same school they were playing when Souichirou's father received his career-ending injury.

If Meisei can beat Eishin, they'll make it to the semi-finals. Will the manager's preoccupation with the past steal victory from their grasp?

Nishimura's confident in Seinan's ability to make it through to the quarterfinals... but he wants to make sure Meisei's there to meet them.

It's Kenjo versus Toushu and Seinan versus Meisei for the East Tokyo Championship semifinals. Nishimura hopes that a big win will make his father's dream come true.

It's semifinal day for Seinan and Meisei, and both pitchers get off to a stellar start. But how long can they maintain their strikeout streak?

The bona fide pitchers' duel continues. Will both teams' pitchers really go all game without giving up a single run?

Meisei overcomes their semifinal opponents to set up a mouthwatering final with Kenjo with a ticket to Koshien on the line, but someone seems to be missing from the celebrations...

The recent tragedy casts a pall over Meisei High's final with Kenjo.

Harada is still struggling to overcome his amnesia. He tries his hand at a former pastime of his, plus reconnects with an old school chum in the hopes that this might trigger some memories.

A new Meisei team begins the fall tournament as new and old relationships are explored.