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Season guide

Ace of the Diamond: Season 2

51 episodes Premiered Apr 6, 2015
Previously on Ace of the Diamond

Season 2 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 1.
  • 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.
Season 2 Episodes

Episode Guide

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Season 2 Progress Shield

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Binge Efficiency Engine

Season 2: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (5): Crucial lore & season climaxes
Core (46): Character development & subplots
Side Quest (0): Standalone / filler
S2·E1 Mytharc

Howling In The Summer

Apr 6, 2015

At the Baseball Kingdom magazine office, Mine looks back to the summer tournament. The game between Yakushi and Seido was an exciting watch. Seido played their pitcher relay in ord

S2·E2 Core

The Summer Heat Haze

Apr 13, 2015

Inashiro and Seido met in the final. Inashiro played around their unparalleld ace, Narumiya. Whereas Seido relied on their 4-man pitcher relay. The first-year pitchers, Furuya and

S2·E3 Core

The Kings of Summer

Apr 20, 2015

Tanba got a leg cramp and couldn't continue, so Sawamura came out at the bottom of the seventh. Yuki turned the game around in the top of the eighth. Sawamura continued to pitch we

S2·E4 Mytharc

The Fall Tournament Begins!

Apr 27, 2015

Seido draws into the most competitive bracket in their attempt to win the tournament. The first opponent is Teito, and they have a first-year pitcher who's already been to national

S2·E5 Core

The Cold Rain

May 4, 2015

A huge crowd gathers at Edogawa City Baseball Stadium to watch the game between Seido and Teito. At the top of the first, Furuya takes out their cleanup and catcher, Inui. Teito's

S2·E6 Core

Out of Order

May 11, 2015

The game is paused due to the rain. Mukai stretches in his dugout, Furuya looks spaced out, and Sawamura is pitching in the bullpen. The game resumes, and Miyuki immediately gets a

S2·E7 Core

Where I Am

May 18, 2015

Sawamura makes a great relief. However, Mukai, as the self-proclaimed best pitcher his year, continues to toy the Seido batters. Kuramochi fights for a walk to first and Haruichi f

S2·E8 Core

Scenario

May 25, 2015

Mukai scatters his pitches offensively, but Tojo puts up a good fight and gets on base. Kuramochi follows after, and the Teito battery walks Haruichi to load the bases. It's two ou

S2·E9 Core

My Path

Jun 1, 2015

Seido beats Teito, and the team is excited to play Inashiro again. Being influenced by how Maezono swings his bat every day after dinner, many follow suit. However, some aren't exa

S2·E10 Core

Did You Just Pitch...

Jun 8, 2015

It's Seido vs Nanamori, and Coach Kataoka has made a big roster change. Haruichi, Furuya, Tojo, and Kanemaru — four first-years are in the starting lineup. To top it off, the start

S2·E11 Core

The Underdog Story

Jun 15, 2015

Sawamura overcomes the yips and shows off an impressive pitching job against Nanamori Academy. "You can be in contention for the ace position now," says Miyuki. Inashiro and Ugumor

S2·E12 Core

Self-Destruction

Jun 22, 2015

Inashiro vs Ugumori. At the bottom of the seventh, Tadano and Narumiya are having a difficult time seeing eye to eye against the highly offensive Ugumori batters. Umemiya hits a bi

S2·E13 Core

Fissure

Jun 29, 2015

Inashiro is defeated, and the Seido Nine, who were hoping to take down Inashiro themselves, are visibly disturbed by the upset. After seeing Miyuki and Maezono's attitude toward Wa

S2·E14 Core

On My Shoulders

Jul 6, 2015

Ugumori vs Seido. Ugumori's cleanup, Umemiya is at bat, and Furuya pitches a high fastball remembering the conversation in the restroom. "If you can't do as I say, then get off the

S2·E15 Core

Persistent and Diligent

Jul 13, 2015

Umemiya pitches a power curveball to finish off Miyuki, but Miyuki manages to react quickly, thanks to Watanabe's scouting, and hits an RBI into the center field. Maezono follows u

S2·E16 Core

Chain Reaction

Jul 20, 2015

Bottom of the seventh, Seido is batting. Tojo hits a double into the right-center field. Higasa follows up with a two-run hit, giving Seido a five run lead over Ugumori. However, t

S2·E17 Core

Shut Him Down!!

Jul 27, 2015

A hit makes a bad bounce in front of Haruichi, and Seido misses out on a double play. Now, Ugumori has the bases loaded with no outs. Ugumori has momentum, but Seido's defense bold

S2·E18 Core

This Guy's Pretty Good

Aug 3, 2015

Bottom of the eighth, it's two outs with a runner on third, and Umemiya face off against Miyuki. Miyuki hits long but stops just short of the fence, and the game goes into the fina

S2·E19 Core

An Uncompromising Challenge

Aug 10, 2015

It's the final inning, and Umemiya's at bat. Sawamura's concentration peaks. "I won't run away." Sawamura's cutter goes right into Umemiya's chest. He swings and hits a grounder to

S2·E20 Core

With Heads Held High

Aug 17, 2015

Seido High School makes the round of eight, but Miyuki is overstressed by his role as the captain. "I thought that with you as the captain, the team will get better," Yuki encourag

S2·E21 Core

Whispers of the Devil?

Aug 24, 2015

"I don't want to quit the team," Watanabe says strongly. Miyuki and Maezono may have some issues, but the second-years as a whole are getting along better. Haruichi continues to pr

S2·E22 Core

Winging It

Aug 31, 2015

At Seido's indoor practice area, Sawamura is trying to learn a breaking ball. He's having difficulties pitching any breaking balls but immediately succeeds on pitching a changeup w

S2·E23 Core

School Academic Level

Sep 7, 2015

The runner on first takes a big lead. As Sawamura tries to throw to first, the runner on third runs, and Sawamura stops his throwing motion. "Balk!" says an umpire. Oya takes a run

S2·E24 Core

Individual Minds

Sep 14, 2015

Sawamura goes three for three in the bottom of the fifth. Next inning, Kuramochi gets a hit off the first pitch, and Shirasu follows as well. However, Oya scouts and analyzes well.

S2·E25 Core

Zeal

Sep 21, 2015

Oya has runners on first and second with only one out, and the cleanup, Kasuga, is up next. However, Sawamura can't suppress his excitement. "Pitch with confidence," Maezono encour

S2·E26 Core

The Conceited Underclassman

Sep 28, 2015

Sawamura pitches all nine innings with a stellar performance, and Seido advances to the semifinals. Chris can't help but smile at Sawamura's growth. The game between Sensen and Sei

S2·E27 Core

Step By Step

Oct 5, 2015

Furuya's injury is healed, and after seeing Sawamura's great performance, he is more than ready to pitch. Kawakami continues to put in more work as well. In the team meeting, the w

S2·E28 Core

The Resilient Second String

Oct 12, 2015

Coach Kataoka organizes an intrasquad scrimmage between the first-string and the second. Furuya is the starting pitcher for the first-string team and Sawamura for the second. And f

S2·E29 Core

Demon Child

Oct 19, 2015

A middle-aged man watches the intrasquad game. He is none other than Eijiro Sakaki, the man who made Seido's baseball team famous. He was also Kataoka's high school coach. "You use

S2·E30 Core

The Kings' Roar

Oct 26, 2015

The sound of metal bats ring through the field of Yakushi High School. Sanada, the ace, is showing meticulous batting work. Behind him, Raichi is swinging like a mad man. Over at I

S2·E31 Core

The Courage He Gave Me

Nov 2, 2015

The game between Seiko and Seido begins. Seiko's catcher, Masu, is up at bat. Miyuki is wary of him, as he's both the lead-off man and the central figure of the team. In order to t

S2·E32 Core

The Resolve for Responsibility

Nov 9, 2015

Seiko is behind by five runs at the top of the fourth. Their cleanup, Nagata, is up at bat and pressures Furuya with his powerful swing. Miyuki calls for a quick time out to regain

S2·E33 Core

The Ace's Instinct

Nov 16, 2015

Seiko takes back one run, but Seido doesn't allow any more. Likewise, Ogawa isn't giving Seido an easy time. Furuya plays to his limits and stops the hit with his body. The game is

S2·E34 Core

Innocent

Nov 23, 2015

At the top of the eighth, Seiko is ready to turn the game around. Seiko's energy puts Sawamura off his game. Tamaki is unprepared for Sawamura's moving fastball and swings late. Ho

S2·E35 Core

The World Beyond

Nov 30, 2015

Miyuki uses everything inside him to stop Ogawa as he tackles into home plate. Masu criticizes his dangerous play but compliments his attitude. Tied at 5-5, the game goes to extra

S2·E36 Core

Rematch

Dec 7, 2015

Miyuki takes the bat at the bottom of the tenth and hits cleanly off of an inside pitch into his chest — the game ending home run. After a difficult game, Seido advances to the fin

S2·E37 Core

Priorities

Dec 14, 2015

Coach Todoroki quickly puts Sanada on the mound in the bottom of the third inning after seeing Amahisa's ability as a pitcher. At the top of the sixth, Raichi gets up to bat carryi

S2·E38 Mytharc

One Pitch

Dec 21, 2015

Top of the eighth, Amahisa hits Mishima with his pitch, and Coach Todoroki is extatic. With runners on first and second, Raichi Todoroki gets up to bat. Ichidai leaves the fate of

S2·E39 Core

Meeting Expectations

Jan 4, 2016

The final against Yakushi is tomorrow, and there's a lot of tension at Seido. However, Furuya went to the doctor and was told it would be dangerous for him to play. Furuya wants to

S2·E40 Core

Play Ball

Jan 11, 2016

The third-years stop by the night before the final. Sawamura asks Chris for some advice on his two-seamer. The third-years realize how far Sawamura has come seeing him pitching var

S2·E41 Core

The Leadoff Man

Jan 18, 2016

It's time for the Tokyo Fall Tournament Final. It's Yakushi's chance to go to nationals for the first time, and Seido's chance to go back after seven years. The play ball is called

S2·E42 Core

Fastball Featuring Todoroki

Jan 25, 2016

Yakushi's chance to score in the bottom of the first inning is crushed by Shirasu's super catch in the outfield. With the game still at 0-0, we go into the second inning. Can Seido

S2·E43 Core

To This Side

Feb 1, 2016

Raichi stands on the mound. Raichi's fastballs get faster every pitch, and Maezono strikes out. Raichi's strong performance as a pitcher brings life to the Yakushi batters in the b

S2·E44 Core

The Best Fastball

Feb 8, 2016

Kawakami gives up a home run to Raichi and a hit to Sanada. Kuramochi and Haruichi gets a double play in order to back Kawakami up. However, Kawakami loses control of the ball and

S2·E45 Core

The Field

Feb 15, 2016

Maezono's pressure overwhelms Raichi and hits a fly allowing Kuramochi to come home and tie the game. Raichi comes to realization of what it means to stand on the mound. Coach Todo

S2·E46 Core

The Decision

Feb 22, 2016

It's the bottom of the fifth, and Yakushi is up to bat. Mishima stands in the batter's box ready to hit but falls short before Sawamura's four-seamer. Sawamura surprises the crowd

S2·E47 Core

Partnership

Feb 29, 2016

Miyuki gets his ribs checked out. In the bottom of the sixth, Sawamura shows a strong performance going three for three. With the sides retired, Haruichi stands in the batter's box

S2·E48 Core

Party Boys

Mar 7, 2016

Sawamura strikes out Raichi three for three! He also strikes out Sanada! Sawamura and Miyuki put up a strong fight against Yakushi's heart of the order, and the crowd goes wild. Sh

S2·E49 Core

Just You Wait!

Mar 14, 2016

The Tokyo Fall Tournament Final is nearing its end. With Yakushi leading 3-4, we go into the top of the ninth inning. Kuramochi hits a fast hit, but Yakushi's all-in defense stops

S2·E50 Mytharc

Last Inning

Mar 21, 2016

At the top of the ninth, Seido is behind 3-4. Haruichi gets a base hit, and Miyuki follows up with one as well. Next up is Maezono. He stands in the batter's box with a mission. Sw

S2·E51 Mytharc

Seek Diamonds

Mar 28, 2016

It's the bottom of the ninth, and Seido leads 5-4. Furuya stands on the mound putting fear into Yakushi's batters with his pitch. This is the final moment. Seido is looking energet