Ace of the Diamond backdrop

Ace of the Diamond S4E1 — Up Ahead

Ace of the Diamond•Season 4•Episode 1

Up Ahead

Apr 5, 202624 min

Seido takes on Norikane High as Sawamura struggles to live up to the weight of the team's ace number.

Directed byNozomi Ishii

Written byKenji Konuta

Previous seasonSeason 3 Next episodeE2 · For the Team

Seasons4

Season 4 Episodes16

Up Ahead still

Up Ahead

For the Team still

For the Team

The Path of the Victor still

The Path of the Victor

Roar still

Roar

Something Off still

Something Off

The Unveiling still

The Unveiling

What's Built Up still

What's Built Up

The Mentality of the Ace still

The Mentality of the Ace

High Voltage still

High Voltage

My Fight still

My Fight

As a Partner still

As a Partner

The Next Stage still

The Next Stage

An Endless Road still

An Endless Road

The Night Before the Finals still

The Night Before the Finals

Full Throttle still

Full Throttle

Transmission still

Transmission

Cast5

Ryota Osaka

Ryota Osaka

Eijun Sawamura (voice)

Takahiro Sakurai

Takahiro Sakurai

Kazuya Miyuki (voice)

Nobunaga Shimazaki

Nobunaga Shimazaki

Satoru Furuya (voice)

Natsuki Hanae

Natsuki Hanae

Haruichi Kominato (voice)

Shintaro Asanuma

Shintaro Asanuma

Yoichi Kuramochi (voice)

Crew12

Kenji Konuta

Kenji Konuta

Writer

K

Kei Saotome

Animation Director

H

Haruna Katsu

Key Animation

H

Hideaki Ōba

Storyboard Artist

N

Nozomi Ishii

Director

Y

Yasukazu Shoji

Supervising Animation Director

A

Akane Hirota

Supervising Animation Director

M

Mihiro Iida

Animation Director

A

Ayana Togashi

Animation Director

R

Rikiya Suda

Animation Director

T

Tomoyuki Kameda

Animation Director

S

Shinji Matsuda

Animation Director

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Episode Summary

"Up Ahead" is episode 1 of Ace of the Diamond season 4. Directed by Nozomi Ishii and written by Kenji Konuta, it aired on April 5, 2026.

Next: E2 · For the Team Best of Season 4