S04E07: What's Built Up
Ichidaisan and Seido continue to clash with no ground to spare in a tight match between ace pitchers.
Previous Episode 
Season 1
The One Pitch
S1E1 / 06 Oct 2013
Partner
S1E2 / 13 Oct 2013
Not Qualified to Be a Pitcher?
S1E3 / 20 Oct 2013
Are You Like Me?
S1E4 / 27 Oct 2013
A Clash
S1E5 / 03 Nov 2013
Head to Head
S1E6 / 10 Nov 2013
The Two Batteries
S1E7 / 17 Nov 2013
The Truth About Chris
S1E8 / 24 Nov 2013
With Chagrin in His Heart
S1E9 / 01 Dec 2013
Hone Your Moving Fastball
S1E10 / 08 Dec 2013
Chris to the Field!
S1E11 / 15 Dec 2013
Target
S1E12 / 22 Dec 2013
You're in the First-String
S1E13 / 29 Dec 2013
Training Camp Begins!
S1E14 / 12 Jan 2014
Lead with Your Plays!
S1E15 / 19 Jan 2014
Challenge
S1E16 / 26 Jan 2014
Games Are Fun
S1E17 / 02 Feb 2014
I Hate It, But...
S1E18 / 09 Feb 2014
Fate
S1E19 / 16 Feb 2014
Emergency
S1E20 / 23 Feb 2014
To the Dream Stage
S1E21 / 02 Mar 2014
Calling for Attention
S1E22 / 09 Mar 2014
Official Game Debut
S1E23 / 16 Mar 2014
Precision Machine
S1E24 / 23 Mar 2014
Anti-Furuya Strategy
S1E25 / 30 Mar 2014
Miracle Akikawa
S1E26 / 06 Apr 2014
I'm Not Running
S1E27 / 13 Apr 2014
Path, Eijun Sawamura to the Scorching Mound
S1E28 / 20 Apr 2014
Neck and Neck
S1E29 / 27 Apr 2014
Winner and Loser
S1E30 / 04 May 2014
Dark Horse
S1E31 / 11 May 2014
Summers
S1E32 / 18 May 2014Money Tree
S1E33 / 25 May 2014
Reliable Teammates
S1E34 / 01 Jun 2014
Potential
S1E35 / 08 Jun 2014
The Ace Takes the Mound
S1E36 / 15 Jun 2014
Burst!
S1E37 / 29 Jun 2014
Roles
S1E38 / 05 Jul 2014
Expectations of an Ace
S1E39 / 13 Jul 2014
The Winning Shot
S1E40 / 20 Jul 2014
It's the Semifinal
S1E41 / 27 Jul 2014
The Giant Looks Down
S1E42 / 03 Aug 2014
Revenge
S1E43 / 10 Aug 2014
Best Pitch
S1E44 / 17 Aug 2014
Fantasy
S1E45 / 24 Aug 2014
Pitching of Despair
S1E46 / 31 Aug 2014
That Summer
S1E47 / 07 Sep 2014
At the Dorm
S1E48 / 14 Sep 2014
A Nostalgic Face
S1E49 / 21 Sep 2014
Footsteps to Tomorrow
S1E50 / 28 Sep 2014
The Battle Begins!
S1E51 / 05 Oct 2014
I Don't Want to Lose
S1E52 / 12 Oct 2014
Change Gears
S1E53 / 19 Oct 2014
Entrusted Faith and the Courage to Perform
S1E54 / 26 Oct 2014
Strong Men
S1E55 / 02 Nov 2014
Decision
S1E56 / 09 Nov 2014
Reliable Underclassmen
S1E57 / 23 Nov 2014
The Three-Hole
S1E58 / 30 Nov 2014
Fearless
S1E59 / 07 Dec 2014
Lonely Sun
S1E60 / 14 Dec 2014
Determined
S1E61 / 21 Dec 2014
Victory or Defeat
S1E62 / 28 Dec 2014
Lingering Feelings
S1E63 / 28 Dec 2014
Restart
S1E64 / 11 Jan 2015
In The Sun
S1E65 / 18 Jan 2015
Outsider
S1E66 / 25 Jan 2015
The Kick
S1E67 / 01 Feb 2015
The Ace Title
S1E68 / 08 Feb 2015
Can't Lose
S1E69 / 15 Feb 2015
Next Stage
S1E70 / 22 Feb 2015
September Sky
S1E71 / 01 Mar 2015
The Final Lesson
S1E72 / 08 Mar 2015
Inheritance
S1E73 / 15 Mar 2015
Guiding Light
S1E74 / 22 Mar 2015
In Pursuit
S1E75 / 29 Mar 2015
Season 2
Howling In The Summer
S2E1 / 06 Apr 2015
The Summer Heat Haze
S2E2 / 13 Apr 2015
The Kings of Summer
S2E3 / 20 Apr 2015
The Fall Tournament Begins!
S2E4 / 27 Apr 2015
The Cold Rain
S2E5 / 04 May 2015
Out of Order
S2E6 / 11 May 2015
Where I Am
S2E7 / 18 May 2015
Scenario
S2E8 / 25 May 2015
My Path
S2E9 / 01 Jun 2015
Did You Just Pitch...
S2E10 / 08 Jun 2015
The Underdog Story
S2E11 / 15 Jun 2015
Self-Destruction
S2E12 / 22 Jun 2015
Fissure
S2E13 / 29 Jun 2015
On My Shoulders
S2E14 / 06 Jul 2015
Persistent and Diligent
S2E15 / 13 Jul 2015
Chain Reaction
S2E16 / 20 Jul 2015
Shut Him Down!!
S2E17 / 27 Jul 2015
This Guy's Pretty Good
S2E18 / 03 Aug 2015
An Uncompromising Challenge
S2E19 / 10 Aug 2015
With Heads Held High
S2E20 / 17 Aug 2015
Whispers of the Devil?
S2E21 / 24 Aug 2015
Winging It
S2E22 / 31 Aug 2015
School Academic Level
S2E23 / 07 Sep 2015
Individual Minds
S2E24 / 14 Sep 2015
Zeal
S2E25 / 21 Sep 2015
The Conceited Underclassman
S2E26 / 28 Sep 2015
Step By Step
S2E27 / 05 Oct 2015
The Resilient Second String
S2E28 / 12 Oct 2015
Demon Child
S2E29 / 19 Oct 2015
The Kings' Roar
S2E30 / 26 Oct 2015
The Courage He Gave Me
S2E31 / 02 Nov 2015
The Resolve for Responsibility
S2E32 / 09 Nov 2015
The Ace's Instinct
S2E33 / 16 Nov 2015
Innocent
S2E34 / 23 Nov 2015
The World Beyond
S2E35 / 30 Nov 2015
Rematch
S2E36 / 07 Dec 2015
Priorities
S2E37 / 14 Dec 2015
One Pitch
S2E38 / 21 Dec 2015
Meeting Expectations
S2E39 / 04 Jan 2016
Play Ball
S2E40 / 11 Jan 2016
The Leadoff Man
S2E41 / 18 Jan 2016
Fastball Featuring Todoroki
S2E42 / 25 Jan 2016
To This Side
S2E43 / 01 Feb 2016
The Best Fastball
S2E44 / 08 Feb 2016
The Field
S2E45 / 15 Feb 2016
The Decision
S2E46 / 22 Feb 2016
Partnership
S2E47 / 29 Feb 2016
Party Boys
S2E48 / 07 Mar 2016
Just You Wait!
S2E49 / 14 Mar 2016
Last Inning
S2E50 / 21 Mar 2016
Seek Diamonds
S2E51 / 28 Mar 2016
Season 3
Beyond the Dream
S3E1 / 02 Apr 2019
Wanna Take The Mound
S3E2 / 09 Apr 2019
Blessed by the Baseball Gods
S3E3 / 16 Apr 2019
The Day It Began
S3E4 / 23 Apr 2019
Joining
S3E5 / 30 Apr 2019
Go Straight
S3E6 / 07 May 2019
King
S3E7 / 14 May 2019
Camphor
S3E8 / 21 May 2019
Battle, Battle
S3E9 / 28 May 2019
Debut
S3E10 / 04 Jun 2019
Where You Look
S3E11 / 11 Jun 2019
Selfish
S3E12 / 18 Jun 2019
Batting First
S3E13 / 25 Jun 2019
Presence
S3E14 / 02 Jul 2019
My Role
S3E15 / 09 Jul 2019
Only After You've Won
S3E16 / 16 Jul 2019
Three Months
S3E17 / 23 Jul 2019
Something to Find Out
S3E18 / 29 Jul 2019
Competitive Streak
S3E19 / 06 Aug 2019
Self-Assertive
S3E20 / 12 Aug 2019
Out of Time
S3E21 / 20 Aug 2019
Chosen
S3E22 / 27 Aug 2019
One Pitch, One Second
S3E23 / 03 Sep 2019
Incomplete
S3E24 / 10 Sep 2019
Unleashed
S3E25 / 17 Sep 2019
Beneath the Same Banner
S3E26 / 24 Sep 2019
The Note
S3E27 / 01 Oct 2019I'm Not Stopping
S3E28 / 08 Oct 2019
After Spring Comes
S3E29 / 15 Oct 2019
Bloom of Youth
S3E30 / 22 Oct 2019
Kind of Like a Promise
S3E31 / 29 Oct 2019
Hunger
S3E32 / 05 Nov 2019
Heat Transfer
S3E33 / 12 Nov 2019
Competition
S3E34 / 19 Nov 2019
Because He's Awesome
S3E35 / 26 Nov 2019
As a Catcher
S3E36 / 03 Dec 2019
Invincible Mentality
S3E37 / 10 Dec 2019
Fragile
S3E38 / 17 Dec 2019
I'm Counting On You
S3E39 / 24 Dec 2019
Expression
S3E40 / 07 Jan 2020
Shared Fate
S3E41 / 14 Jan 2020
20 Players
S3E42 / 21 Jan 2020
Summer Training Camp
S3E43 / 28 Jan 2020
Setting Sail
S3E44 / 04 Feb 2020
Go EXCEED
S3E45 / 11 Feb 2020
Encouragement
S3E46 / 18 Feb 2020
Under the Feet
S3E47 / 25 Feb 2020
Get Back
S3E48 / 03 Mar 2020
Seido Goes All Out
S3E49 / 10 Mar 2020
FIRE AGE
S3E50 / 17 Mar 2020
That's the Reason Why
S3E51 / 24 Mar 2020
Ace of Diamond
S3E52 / 31 Mar 2020
Season 4
Up Ahead
S4E1 / 05 Apr 2026
For the Team
S4E2 / 12 Apr 2026
The Path of the Victor
S4E3 / 19 Apr 2026
Roar
S4E4 / 26 Apr 2026
Something Off
S4E5 / 03 May 2026
The Unveiling
S4E6 / 10 May 2026
What's Built Up
S4E7 / 17 May 2026
The Mentality of the Ace
S4E8 / 24 May 2026
High Voltage
S4E9 / 31 May 2026
My Fight
S4E10 / 07 Jun 2026
As a Partner
S4E11 / 14 Jun 2026
The Next Stage
S4E12 / 21 Jun 2026
An Endless Road
S4E13 / 28 Jun 2026
The Night Before the Finals
S4E14 / 11 Oct 2026
Full Throttle
S4E15 / 18 Oct 2026
Ryota Osaka
Eijun Sawamura (voice)
Takahiro Sakurai
Kazuya Miyuki (voice)
Nobunaga Shimazaki
Satoru Furuya (voice)
Natsuki Hanae
Haruichi Kominato (voice)
