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Season 1
OVA
No. Image Title Original Air Date
01
Eijun throwing the ball
The One Pitch

Sawamura Eijun is a Junior High pitcher who gets scouted by the Assistant Director of Seidou High. She gives him the opportunity to visit the Seidou High School Baseball Team to watch their practice.

October 6, 2013
02
Partner
Partner

With Miyuki's help, Sawamura defeats Azuma. Sawamura is totally overwhelmed by this experience, but back in his hometown he feels guilty towards his former teammates, but in the end decides to take on his new journey.

October 13, 2013
03
Not.qualified
Not Qualified To Be a Pitcher?

Sawamura arrives at Seido and gets to meet new people as well as Miyuki Kazuya. Sawamura tells the coach of his intention to become the team's ace and Kataoka gives him a challenge.

October 20, 2013
04
Ep 4 screenshot
Are You Like Me?

Sawamura meets fellow freshman pitcher Satoru Furuya and realizes that he has to battle him for the status of the ace.

October 27, 2013
05
Clash
A Clash

A scrimmage between the first years and their upperclassman will take place to determine who will join the first string for upcoming practice games.

November 3, 2013
06
Ep 6 screenshot
Head To Head!

Sawamura gives his best to fire the first years up and finally gets the chance to stand on the pitching mound. He gets hit several times but isn’t affected at all which impresses most of the players and encourage them to continue. With this, Sawamura shows his potential to be the ace for the first time.

November 10, 2013
07
Two.batteries
The Two Batteries

Sawamura and Furuya are both given the pitcher training menu. Sawamura is assigned to work with Chris while Furuya teams up with Miyuki.

November 17, 2013
08
Truth.about.chris
The Truth About Chris

Sawamura is getting infuriated with Chris leaving practices early and leaving additional workouts for him to do. He talks to Rei and Miyuki about it, but his words make Miyuki furious. Rei then shows Sawamura where Chris is going to and what he's always doing after practice.

November 24, 2013
09
With.chagrin
With Chagrin In His Heart

After asking Chris to teach him about baseball, Sawamura starts following Chris everywhere. Chris finally agree to catch Sawamura's pitch and leaves Sawamura a question of what his distinctive qualities are. In a scrimmage, Sawamura perform poorly and is quickly subbed out. But Chris helps Sawamura figure out what he's lacking.

December 1, 2013
10
Hone.fastball
Hone Your Moving Fastball

Chris reveals to Sawamura his strong point - his idiosyncratic moving fastball.

December 8, 2013
11
Chris.field
Chris, to the Field!

Sawamura and Chris gets to form a battery in a game. After that match the coach chooses two players to join the varsity team.

December 15, 2013
12
Target
Target

In order to destroy the flow of Seidou Naoyuki Zaizen (a batter of Kokushikan) suggests to aim for a target and it's not Sawamura - it's Chris!

December 22, 2013
13
First-string
You're In the First-String

Kataoka finally announces the two players to make it to the first string who are Haruichi and Sawamura. Chris who wasn't able to make the cut is chosen as the teams manager.

December 29, 2013
14
Trainingcamp
Training Camp Begins!

Seidou's training camp begins.

January 12, 2014
15
Withyourplays
Lead With Your Plays!

Seidou continue their training camp. Kataoka pushes the third years hard and reminds Yuuki of what he must do as captain.

January 19, 2014
16
Challenge
Challenge

Seidou's practice match against Osaka Kiryu High School begins. Furuya is the starting pitcher and gets obliterated. He turns to Miyuki for advice on how to avoid giving up runs.

January 26, 2014
17
Gamesarefun
Games Are Fun

Sawamura replaces Furuya on the mound, and his pitching form surprises the batters.

February 2, 2014
18
Ihateitbut
I Hate It, But ...

The scrimmage against Osaka Kiryu almost comes to a close. Will Sawamura be able to meet Miyuki's expectations?

February 9, 2014
19
Fate02
Fate

On the last day of the training camp, a three-way round robin is held between Seidou, Shuuhoku and Inashiro Industrial.

February 16, 2014
20
Emergency
Emergency

The practice game between Seidou and Shuhoku continue. Tanba expresses his desire to become a better ace and the team supports him. At-bat however, he is hit by a dead ball.

February 23, 2014
21
Tothedream
To the Dream Stage

Seidou's line up is revealed and the team prepares for the fierce Summer Tournament.

March 2, 2014
22
Callingforattention
Calling for Attention

The Summer Tournament begins and Seidou's first match is against the defensive team, Maimon High.

March 9, 2014
23
Gamedebut
Official Game Debut

Conclusion of Seidou's match against Maimon West High School and match against Puplic Murata East High School.

March 16, 2014
24
Precisionmachine
Precision Machine

Seidou prepare for their upcoming match against Akikawa Academy. While at Akikawa, coach Ogata reveals his strategy to counter Furuya's high pitches.

March 23, 2014
25
Antifuruta
Anti-Furuya Strategy

Seidou wraps up practice then makes their final preparations. At game time, Akikawa's batters aren't swinging at Furuya's high pitches. Miyuki thought this might happen but it's a bad situation that they're faced with. He asks for forkballs to help loosen up Furuya.

March 30, 2014
26
Miracleakikawa
Miracle Akikawa

Furuya strike out Akikawa's fourth batter but Shunshin doesn't let the battery recover scoring two RBI's. At Seidou's offense, Kuramochi and Ryosuke try to execute Seidou's strategy of pressuring Shunshin but things aren't going the way they had hoped.

April 6, 2014
27
Imnotrunning
I'm Not Running

Seidou is faced with a situation where Furuya's pitch count rapidly increase, and his stamina is in question due to the heat. Kataoka eventually replace him with Sawamura, who surprise the batters with his form and moving fastball.

April 13, 2014
28
Path
Path, Eijun Sawamura to the Scorching Mound

Recap episode

April 20, 2014
29
Neckandneck
Neck and Neck

Miyuki outplays Shunshin and Seidou ties the game. Sawamura continue to strike Akikawa's batters, but Kuramochi and Ryosuke still fail to get on base. Kataoka makes his move, having Haruichi warm-up while Tanba pitch at the bullpen, shocking Shunshin and his teammates.

April 27, 2014
30
Winnerandloser
Winner and Loser

Tanba's presence in the bullpen pressures Akikawa while Sawamura impress the audience, Chris and Kataoka with his pitching. Seidou's batters begin their assault starting with Haruichi, Kuramochi then Ryosuke. The clean-ups follow suit and Kawakami successfully close the game.

May 4, 2014
31
Darkhorse
Dark Horse

Seidou makes it to the top eight, and they stay to watch the match between Ichidai High and Yakushi High. Ichidai display their batting prowess early in the game but their ace, Manaka is shaken after Yakushi's freshman and clean-up Todoroki Raichi hits a two-homer in the bottom of the first, shocking everyone.

May 11, 2014
32
Summers
Summers

After a fierce batting match-up, Ichidai lose to the dark horse, Yakushi High. Seidou's freshmen trio later hear Raizou remark that the only pitcher left in West Tokyo worth Raichi's time is Inashiro's Narumiya Mei. Sawamura and Furuya are super motivated to win, while Haruichi tells the team of the remark that also, fires them up.

May 18, 2014
33
Moneytree
Money Tree

Seidou and Yakushi make their preparations for their upcoming match-up. Kataoka reveals the pitchers order for the game: First is Furuya, Sawamura then Kawakami. Tanba on the other hand, practice with his peers. At game time, Yakushi changes their batting order, putting Todoroki Raichi as the lead-off batter. Miyuki tells the freshmen pitchers not to get too fired up, reminding them to simply focus on their pitcher relay strategy.

May 25, 2014
34
Reliableteammates
Reliable Teammates

Yakushi is after Furuya's fastballs, scoring a run on top of the first. Miyuki reminds Furuya that he's got reliable teammates defending behind him and another one in front of him. At the bottom, Seidou's batters follow suit scoring multiple runs.

June 1, 2014
35
Potential
Potential

At the start of Yakushi's second batting cycle, Sawamura replaces Furuya on the mound while the latter goes to left field in place of Sakai. Sawamura face-off against Raichi and jams the batter. Seidou continue their attack, and with Yakushi down by four runs, Raizou sends the ace, Sanada Shunpei to the mound.

June 8, 2014
36
Theacewalkson
The Ace Walks On

Sanada's presence on the mound improve the mood of his team, and despite being an upgraded version of Sawamura, the freshman pitcher square off with him in striking out batters. At the top of the sixth, Yakushi's third batting cycle once again begins with Raichi. Will Kataoka call for a pitcher substitution?

June 15, 2014
36.5
Chiba
Special episode

This special is not considered one of the 75 episodes by TV Tokyo. "Seidou Rival" is a recap episode of 22 & 23 vs. Maimon West, aired in place of World Cup Special on select stations.

June 22, 2014
37
Burst
Burst!

Sawamura gets to face Raichi once more. And this time, Raichi scores a two-homer, affecting Sawamura's mental state. Kataoka makes the call to switch him out with Kawakami. And though Yakushi scores another run, Masuko pulls off a save to keep the game's momentum at Seidou's side.

June 29, 2014
38
Roles
Roles

Yuuki hits a homerun off Sanada putting Seidou's lead up by two. On top of the eighth, Yakushi takes back one run with the combined efforts of their freshmen batters. After the fourth and fifth batters, Yakushi's got runners on first and third. In the moment that may turn the game around, Sanada is up at-bat, and Kataoka makes a move, switching Kawakami with Tanba.

July 6, 2014
39
Expectations
Expectations of an Ace

In the battle between Seidou and Yakushi's aces, Tanba strike out Sanada with the curveball. Seidou's batters attack aggressively in the bottom of the inning, expanding their lead. Yakushi however, has not given up on the game despite being down by three, and Raizou reveals his plan of turning the game around.

July 13, 2014
40
Winningshot
The Winning Shot

In the final inning of the game, Tanba strike out Raichi giving Seidou the win.

July 20, 2014
41
Semifinal
It's the Semifinal

Seidou prepares for their upcoming semi-final match-up against the veteran quarter finalist of the west, Sensen Academy. At Sensen, Maki Yousuke, ace of the baseball team, throws heavily in the bullpen, admitting that he had in fact wanted to go to Seidou but wasn't invited in the end.

July 27, 2014
42
Giantlooksdown
The Giant Looks Down

The semi-finals begin, and Sensen take an early lead in the bottom of the third. Seidou's batters focus on hitting Maki's curveball and ties the game on top of the sixth.

August 3, 2014
43
Revenge
Revenge

With the bases once again loaded, Haruichi is sent to the batters box in Tanba's stead and hits Maki's curveball, expanding Seidou's lead to three. At the bottom of the sixth, Sawamura steps on the mound and Sensen executes their strategy of pressuring the pitcher. With Sensen in the position to score, Miyuki calls for a timeout but is turned down by Sawamura.

August 10, 2014
44
Bestpitch
Best Pitch

Raichi's homerun hit in the quarter-final replays in Sawamura's head but finds the strength to strike Maki out. Sawamura pass the baton to Kawakami who close out the game.

August 17, 2014
45
Fantasy
Fantasy

Inashiro and Sakurazawa's match-up begin. Early in the game, Inashiro's batters have a hard time hitting Akira Nagao's knuckleball pitch and, Narumiya in turn strike out Sakurazawa's batters with his relentless pitching.

August 24, 2014
46
Pitchingofdespair
Pitching of Despair

Narumiya's pitching disrupts Sakurazawa's defense and the semi-finals comes to a close with Inashiro's win. The Finals match-up is between Seidou and Inashiro.

August 31, 2014
47
Thatsummer
That Summer

Miyuki is seen by Narumiya along with the other second-year Inashiro players and recalls the last time they gathered together. In the bus, Miyuki confess that had he not met Chris and Rei, he would've gone to Inashiro.

September 7, 2014
48
Atthedorm
At the Dorm ...

After the Seidou players study Narumiya's pitching, Yuuki believes that this year, they can take Narumiya down, lifting the morale of the team.

September 14, 2014
49
Nostalgicface
A Nostalgic Face

Azuma drops by for a visit and once again gets a duel with Sawamura.

September 21, 2014
50
Footsteps
Footsteps to tomorrow

Known as "The Hopeless Year", Rei shares to Sawamura and Furuya about the time the third years first came to Seidou; and the freshmen pitchers couldn't believe what they're about to hear.

September 28, 2014
51
Battlebegins
The battle begins!

It's the day of the finals and both teams are pumped. Seidou attacks on top of the inning and defends at the bottom.

October 5, 2014
52
Dontwantolose
I don't want to Lose

Narumiya goes head-to-head against Yuuki and strikes him out. Furuya pitches and takes Inashiro by surprise, striking out the batters with his powerful fastball.

October 11, 2014
53
Changears
Change Gears

Inashiro finally gets to hit Furuya's pitches whilst Narumiya continues to strike out Yuuki.

October 18, 2014
54
TanbaKouichirop
Entrusted Faith and the Courage to Perform

Tanba replaces Furuya and Furuya is sent to the left field. Inashiro's Yamaoka hits a homerun and Tanba is shaken. Can he gain back his confidence?

October 25, 2014
55
StrongMen
Strong Men

Harada plan to crush Seidou's efforts to turn the game around with Narumiya's change-up. Narumiya carry out the plan to strike out Kuramochi and Ryosuke who fail to get on base. Kuramochi suspects Ryosuke's leg must be really bad. At Seidou's defense, Ryousuke fumbles but Kuramochi is quick to cover for him.

November 1, 2014
56
Decision
Decision

With Inashiro up by two, Seidou makes an effort to score on top of the seventh but fails. In the bottom, Tanba suffers from a leg cramp that has him leave the mound with Sawamura replacing him. Encouraged by Yuuki's words to Tanba, Sawamura is pumped. How well will he fare against Inashiro?

November 8, 2014
57
ReliableUnderclassmen
Reliable Underclassmen

Seidou gives up on Narumiya's change-up. Furuya hits and Sawamura bunts. Ryousuke asks his coach for a pinch hitter to replace him at-bat.

November 22, 2014
58
Threehole
The Three-Hole

Haruicchi replaces his brother to bat and hit the first pitch. Narumiya walks Isashiki, creating a chance for Seidou to score. With the bases loaded, Isashiki entrusts the rest to Yuuki.

November 30, 2014
59
Fearless
Fearless

Yuuki hits Narumiya's change-up, shifting the game's momentum to Seidou.

December 7, 2014
60
Lonelysun
Lonely Sun

Narumiya reminisce his struggles following Inashiro's defeat at the 88th Summer Koshien, and is determined to not allow Seidou additional runs.

December 14, 2014
61
Determined
Determined

Inashiro desperately tries to score, and immensely pressures Sawamura. Will the momentum shift to their favor?

December 21, 2014
62
Victoryordefeat
Victory or Defeat

Only one out left to Seidou's dream stage, but Inashiro manage to tie the score. Which team triumphed? Which team lost?

December 28, 2014
63
Lingeringfeelings
Lingering Feelings

The long two hours and fifty-three minutes of desperate struggles ends. Inashiro celebrates whilst Seidou laments.

December 28, 2014
64
Restart
Restart

Sawamura and Furuya tries to move on from the loss but Kawakami finds it hard. Miyuki is chosen as the new Captain with Kuramochi and Maezono as his Vice-captains. Meanwhile, Kataoka submits his resignation.

January 11, 2015
65
Inthesun02
In The Sun

Seidou starts the pre-season with a win, while Inashiro reaches the Koshien finals.

January 18, 2015
66
Outsider01
Outsider

In fourteen innings, Inashiro lost at the Koshien Finals. At Seidou, an outsider observes the team from the gallery. Who could he be?

January 25, 2015
67
Thekick
The Kick

Seidou plays their three remaining practice matches of the Summer break. And are motivated by an upcoming scrimmage against Yakushi.

February 1, 2015
68
Acetitle
The Ace Title

Furuya strikes Raichi out and hold Yakushi scoreless. Sawamura asks permission from Kataoka to pitch but Kataoka declines him.

February 8, 2015
69
Cantlose
Can't Lose!

Furuya is sent to the left field and Sawamura replaces him on the mound. Sawamura intends to make Kataoka acknowledge him, but ends up pitching meatballs and giving up runs.

February 15, 2015
70
Nextstage
Next Stage

Miyuki tells Kataoka that Sawamura is deeply affected by the deadball during the Finals against Inashiro. The game ends with Yakushi's victory. Seidou prepares for the upcoming Fall Tournament, and so are the other teams that have played last summer.

February 22, 2015
71
September Sky
September Sky

At the Fall Tournament block games, Furuya wears the ace number and shine in both pitching and batting. Sawamura is finally allowed to practice in the bullpen but still struggles to pitch to the inside. Chris arrives to help.

March 1, 2015
72
FinalLesson
The Final Lesson

Chris wants Sawamura to learn how to pitch low and away. Furuya pitch poorly on the third round of the block games and is quickly switched out. Ochiai observes from the gallery and later informs Miyuki and Furuya of his coaching policies.

March 8, 2015
73
Inheritance
Inheritance

The third years find out that Kataoka's resigning after the Fall Tournament and wonders what they can do. Yuuki later asks Kataoka's permission to have their retirement game be held sooner, wanting to teach their underclassmen all they have learned from him. The coach however, takes it as a request for a practice match with the current team and Yuuki accepts.

March 15, 2015
74
GuidingLight
Guiding Light

The team finds out about Kataoka's resignation affecting their play. Miyuki however, takes Yuuki's advice about being firm as the captain in the face of adversities, and guides the team.

March 22, 2015
75
Inpursuit
In Pursuit

The practice match closes and the third years take the victory. At the Fall Tournament Group selection draw, Miyuki thinks it doesn't matter who they face against for the team only aims for one thing: Nationals.

March 29, 2015

External Links

http://diaace.com/ (Official Website - japanese)
http://www.tv-tokyo.co.jp/anime/diaace/index2.html (Official Website - japanese)
http://myanimelist.net/anime/25341/Diamond_no_Ace_OVA

References

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