Ace Of Diamond Act II Second Season Sets Hideki Matsui TV Special
The special gives the second cour a mainstream sports hook before the Seido versus Inashiro Industrial match starts the main story on October 11, putting the anime in front of baseball viewers who do not normally follow the series.
Reporting from 1 source: Nijimen.
A special program pairing Ace of Diamond act II -Second Season- with former NPB and MLB slugger Hideki Matsui will air October 4, 2026, ahead of the anime's second cour. Matsui sits for an interview, watches the series, and discusses its high school baseball and Koshien scenes. Ryota Osaka, who voices Eijun Sawamura, is the MC. The second cour begins October 11, 2026.
The program is titled Exploring 'Ace of Diamond' with Hideki Matsui ~Koshien Memories Revived Through Anime~. It airs October 4, 2026 on TV Tokyo affiliates at 5:30 PM and on AT-X at 9:00 PM, with repeats on AT-X on October 7 and October 11. Matsui talks through his own high school days and Koshien in an interview, and Osaka joins him to go over the series.
The second cour of the anime starts October 11, 2026 on TV Tokyo affiliates and AT-X, moving into Seido versus Inashiro Industrial. The cast includes Nobunaga Shimazaki, Takahiro Sakurai, Shintaro Asanuma, Natsuki Hanae and others.
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.