Ace of the Diamond: Season 3
Season 3 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Ace of the Diamond Season 2.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 3 Progress Shield
Beyond the Dream
Apr 2, 2019
The Seido baseball club has been invited to the spring invitational at the hallowed Koshien Stadium. Sawamura will finally stand on the mound! Standing between Seido and the nation
Wanna Take The Mound
Apr 9, 2019
In the second round of the invitational, Seido faces Nihon Shono. After throwing a 150 km/h pitches to shut down batters in the first round, Furuya has become the darling of the pr
Blessed by the Baseball Gods
Apr 16, 2019
It's ninth day and fourth round of the spring invitational and Seido will finally face Komadai Fujimaki. It's Masamune Hongo's first start of the tournament, and he has not given u
The Day It Began
Apr 23, 2019
The quarterfinal match against Komadai Fujimaki is wrapping up. Miyuki earned Seido's only hit against Komadai Fujimaki's Hongo in seven innings. However, Seido's Furuya continues
Joining
Apr 30, 2019
Losing to Komadai Fujimaki, Seido is out of the spring invitational. What did Furuya as he pitched against Hongo? But there's no time to bask in the afterglow of Koshien Stadium. T
Go Straight
May 7, 2019
Seido has little time to rest after the spring invitational before the Tokyo spring tournament. Their first round opponent is Eigen High School. Kawakami is the lead-off pitcher, b
King
May 14, 2019
A third-round game at the Tokyo spring tournament is attracting a lot of interest. Inashiro Industrial, the runner-up team from last year's summer tournament with this generation's
Camphor
May 21, 2019
At Meiji Jingu Secondary Stadium, the sparks are flying as Inashiro and Yakushi's game wraps up. Meanwhile, Okumura and the other new Seido first-years are learning how tough high
Battle, Battle
May 28, 2019
Seido has made it to the fourth round of the Tokyo Spring Tournament. With East and West Tokyo competing, there are some interesting games coming! Teito, a school that has played m
Debut
Jun 4, 2019
Sawamura goes to tell Miyuki about Okumura's outburst, but remembers his own conflict with upperclassmen and judging Chris before knowing his situation. In the spring tournament, T
Where You Look
Jun 11, 2019
It's the quarterfinals of the spring tournament and Seido is playing Kasuga First High. In the bottom of the third inning, Haruichi Kominato gets a timely hit to give Seido the lea
Selfish
Jun 18, 2019
After being added to the bench, first-year Masashi Yuki hits a home run in his first game. Okumura, Yui and Asada, each with their own emotions, are practicing and getting more fam
Batting First
Jun 25, 2019
The spring tournament game against Ichidai Third High has finally begun. Seido is batting first against Ichidai Third High ace Kosei Amahisa. Seido's cleanup starts as Haruichi Kom
Presence
Jul 2, 2019
The spring tournament game against Ichidai Third High has finally begun. Seido is batting first against Ichidai Third High ace Kosei Amahisa. Seido's cleanup starts as Haruichi Kom
My Role
Jul 9, 2019
It's Seido vs Ichidai Third High in the spring tournament semifinals. Up 2 - 0 until the fifth inning, Seido's starting pitcher Furuya faces an Ichidai rally. Unable to control the
Only After You've Won
Jul 16, 2019
It's the spring tournament semifinal game against Ichidai. After saving his team with his perfect relief pitching, Sawamura is now the lead-off batter in the top of the sixth. Can
Three Months
Jul 23, 2019
After their own semifinal game the nine Seido players watch Inashiro's semifinal against Teito. Narumiya and Mukai both played at Koshien Stadium as first-years, and then received
Something to Find Out
Jul 29, 2019
After seeing the result of the spring tournament, the Seido players think about what they lack, and begin to act on it. Sawamura shows an especially strong will to improve, and it
Competitive Streak
Aug 6, 2019
Coach Kataoka announces the team will play an intrasquad game, setting the practice fields abuzz. The first-years are eager to perform in order to make the second string, but so ar
Self-Assertive
Aug 12, 2019
The first-years are playing the second and third-years in an intrasquad game. In the third inning, the Asada-Okumura battery comes on to face the upperclassmen. After seeing Okumur
Out of Time
Aug 20, 2019
With the intrasquad game over, Kataoka selects those who will be on the first string, causing joy and sorrow among the first-years and the upperclassmen. Meanwhile, Miyuki begins t
Chosen
Aug 27, 2019
Miyuki has ordered Sawamura and Furuya to practice with the first-year catchers. Will they be able to lead and live up to Miyuki's expectations? During night practice, Sawamura is
One Pitch, One Second
Sep 3, 2019
During the long break in May, the powerhouse schools travel to different parts of the country to compete in practice games to prepare for the summer tournament. Fujimaki Komadai ha
Incomplete
Sep 10, 2019
The game against Hakuryu and third batter Mima is finally under way. They are one of the most mobile teams in the country. Sawamura finds himself in trouble early in the first inni
Unleashed
Sep 17, 2019
Sawamura's pitching is looking strong against Hakuryu. Mima and the high school baseball fans were expecting to see Furuya pitch, but they have to acknowledge Sawamura's skill. Mea
Beneath the Same Banner
Sep 24, 2019
The game against Hakuryu, a quarterfinalist in the Invitational, is entering the final stretch. What has Sawamura felt and learned facing a nationally ranked powerhouse school? Wha
The Note
Oct 1, 2019
Seido’s first string returns from the golden week practice games. Due to Sawamura’s outstanding performance in the Hakuryu match, an article about him was published, making his pre
I'm Not Stopping
Oct 8, 2019
After a series of successful practice games, the Seido Nine are intensely focused on preparing for the summer tournament. Sawamura, encouraged by Kataoka's words, begins rising ea
After Spring Comes
Oct 15, 2019
The Seido baseball team is hard at work preparing for the summer tournament. Meanwhile, the team managers are reviewing notebooks and clippings of newspaper and magazine articles
Bloom of Youth
Oct 22, 2019
Sawamura is the starting pitcher in the practice game against Chiba's powerhouse, Naruta Industrial. How will his pitches fare against their batters known as the Southpaw Killers?
Kind of Like a Promise
Oct 29, 2019
In order to prepare for unforseen circumstances in the summer tournament, Coach Kataoka has the players play out of their normal positions. Sawamura played left field in a practice
Hunger
Nov 5, 2019
Returning from his injury, Furuya joins a game with the second string. Seeing Sawamura shine in the first string's game, Furuya mulls over the words Kataoka wrote in his journal. M
Heat Transfer
Nov 12, 2019
Sawamura has demonstrated his remarkable growth during the practice games, and people have taken notice, especially his outstanding performance in the Hakuryu game. His pitching ha
Competition
Nov 19, 2019
An announcement is made that Miyuki will leave the team and play in the Tokyo Invitational. Seto and Okumura will play on the first string while Maezono and Kuramochi take charge o
Because He's Awesome
Nov 26, 2019
It's the Tokyo Invitational game against the Wynd Youth Academy. The starting pitcher is Shunshing Yeung from Akikawa Academy. He's known as a precise machine, but because of JHBF
As a Catcher
Dec 3, 2019
Miyuki's team in the Tokyo Invitational is having trouble batting against Wynd Youth's left-handed pitcher Conrad. The American team has the lead going into the seventh inning, whe
Invincible Mentality
Dec 10, 2019
Taking the mound in the seventh inning against the American Wynd Youth team, Narumiya strikes out their cleanup batter Carlisle, but his last swing is so hard, it goes full circle
Fragile
Dec 17, 2019
It's the final innings of the game against the Wynd Youth. Following Narumiya's masterful relief pitching, the other Inashiro players, Carlos, Shirakawa and Yamaoka have really sho
I'm Counting On You
Dec 24, 2019
After losing Ono to an injury, the Furuya-Yui battery has trouble establishing a rhythm, repeated making errors and walking batters. Still unable to recover, they give up runs and
Expression
Jan 7, 2020
It's Seido's practive game against Seiho, the beast from Aichi. Sawamura has a great first inning, striking out two batters. They're facing Seiho's ace Akashi, once hailed as the s
Shared Fate
Jan 14, 2020
The tense practice game against Seiho is tied at 0. Sawamura gets into trouble in the top of the sixth inning, but an incredible throw to home by center fielder Aso pulls the team
20 Players
Jan 21, 2020
On the train home after the Tokyo Invitational game, Miyuki meets Narumiya and gives him some honest advice. They promise an intense battle in the summer tournament. Meanwhile, the
Summer Training Camp
Jan 28, 2020
The Seido baseball team is holding their summer training camp. The managers are working hard to prepare onigiri for them to eat. Sawamura is trying to eat natto, his least favorite
Setting Sail
Feb 4, 2020
It's the final day of the summer training camp. The batters of the Seido nine are doing all they can to prepare to face top-tier pitchers like Narumiya and Amahisa. That evening, C
Go EXCEED
Feb 11, 2020
Showing the sum total of his pre-tournament training, Sawamura pitches impressively against powerhouse school Kokonoe, holding them to two runs in eight innings. Meanwhile, Ochiai
Encouragement
Feb 18, 2020
Seido awaits their first game of the summer tournament. Sawamura wants to get used to wearing the ace number and so begins to sleep in his uniform, earning him a teasing from his r
Under the Feet
Feb 25, 2020
The summer tournament is finally under way. Seido's first opponent, Yura Sogo led by Coach Sasaki, is preparing themselves thoroughly for the game. Narumiya starts the first game f
Get Back
Mar 3, 2020
Sawamura takes the mound with the ace number for Seido's first game of the summer tournament. But the first batter gets on base which messes up his rhythm, and he gives up one run
Seido Goes All Out
Mar 10, 2020
Seido's first game of the summer tournament against Yura Sogo is heating up. In the first inning, Seido allowed two runs and only scored one, giving Yura Sogo the lead. Sawamura w
FIRE AGE
Mar 17, 2020
Seido has defeated Yura Sogo in a called game. Reflecting on their inability to establish a rhythm in the early innings, Seido begins to analyze and strategize against their next
That's the Reason Why
Mar 24, 2020
The summer tournament is in full swing and Seido is playing their second game against Hachiya Oji and their skilled second baseman Kawabata. Furuya is the starting pitcher and has
Ace of Diamond
Mar 31, 2020
It's the top of the seventh inning in Seido's game against Hachiya Oji. Hachiya Oji has to score this inning or else the game will be called. Kawabata fought his way to a base, but