Watch Ace of the Diamond Season 4 Episode 1 Online
“Up Ahead” — Watch "Ace of the Diamond" Season 4 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.
Where can I watch "Up Ahead" online?
You can watch it through the button below, and it is free.
Season 4 Episode 1 — Aired on Apr 5, 2026 • runs about 24 minutes.
Directed by Nozomi Ishii.
Written by Kenji Konuta.
Notable cast/guest names in this episode include Ryota Osaka, Takahiro Sakurai, Nobunaga Shimazaki, Natsuki Hanae.
This page includes 6 official still(s) (when available) plus legal availability links.
Looking for “watch Ace of the Diamond Season 4 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
Seido takes on Norikane High as Sawamura struggles to live up to the weight of the team's ace number.
Stills
Cast
as Eijun Sawamura (voice)
as Kazuya Miyuki (voice)
as Satoru Furuya (voice)
as Haruichi Kominato (voice)
as Yoichi Kuramochi (voice)
Episodes – Season 4
Trailer / clip
There�s no trailer available for this series right now.
