Dr. STONE Season 4 Episode 21 Story and Scene Previews Released: A Final Message Arrives from Corn City Amid Crisis
The story and stills of Episode 21 from the final season of Dr.STONE (SCIENCE FUTURE) have been unveiled. This Episode is set to premiere on September 4 (Thursday) at 10:00 PM JST on Japan’s TOKYO MX, followed by global distribution on various platforms.

from Dr.STONE SCIENCE FUTURE Ⓒ Riichiro Inagaki, Boichi / Shueisha, Dr.STONE Production Committee
Episode 21 Story
The final battle between the Kingdom of Science and Stanley's unit has begun. In an act of selflessness, Kohaku and the others try to hold off the enemy, getting hurt while trusting their fate to Senku and his friends.
As the fierce battle continues, members of the Kingdom of Science are killed one by one while protecting their friends. In this desperate situation, with their best option gone and hope almost gone, Kaseki and the others get one last message from Corn City...

Dr.STONE SCIENCE FUTUREⒸ Riichiro Inagaki, Boichi / Shueisha, Dr.STONE Production Committee
What is Dr.STONE?

Dr.STONE SCIENCE FUTURE S4 C2 Key VisualⒸ Riichiro Inagaki, Boichi / Shueisha, Dr.STONE Production Committee
Several thousand years after a mysterious phenomenon petrified all of humanity in an instant... A science prodigy, Senku Ishigami, awakens in a stone world devoid of civilization. Using his genius intellect, he embarks on an epic adventure to rebuild the world through the power of science.
The TV anime Dr.STONE is based on the manga serialized in Weekly Shonen Jump (Shueisha) from 2017 to 2022, created by Riichiro Inagaki (story) and Boichi (art). The manga received accolades like 2nd place in the Next Manga Award 2018 (Comics Division) and the Shogakukan Manga Award (Shonen Division), surpassing 18 million copies in circulation.
The anime debuted in July 2019, followed by its second season in 2021, a special in 2022, and the third season, Dr.STONE NEW WORLD, in 2023. The upcoming fourth season, titled Dr.STONE SCIENCE FUTURE, will air across three split cours starting in 2025. Its announcement in August 2024 created a massive buzz on social media.
STAFF
Original Work: Riichiro Inagaki & Boichi - "Dr. STONE" (Published by Shueisha, Jump Comics)
Director: Shuhei Matsushita
Series Composition: Kurasumi Sunayama
Character Design: Yuko Iwasa
Design Works: Yoshio Mizumura
Art Setting: Tomoyuki Aoki
Art Director: Shunichiro Yoshihara
Color Design: Naoko Nakao
Director of Photography: Chiyuki Kojima
Editing: Kumiko Sakamoto
Sound Director: Jin Aketagawa
Music: Tatsuya Kato, Hiroaki Tsutsumi, YUKI KANESAKA
Animation Production: TMS Entertainment
First Cour Opening Theme: ALI - "CASANOVA POSSE"
First Cour Ending Theme: BREIMEN - "Rolling Stone"
CAST
Senku Ishigami: Yusuke Kobayashi
Taiju Oki: Makoto Furukawa
Yuzuriha Ogawa: Kana Ichinose
Kohaku: Manami Numakura
Chrome: Gen Sato
Suika: Karin Takahashi
Gen Asagiri: Kengo Kawanishi
Kaseki: Mugihito
Tsukasa Shishio: Yuichi Nakamura
Hyoga: Akira Ishida
Ukyo Saionji: Kensho Ono
Ryusui Nanami: Ryota Suzuki
François: Maaya Sakamoto
Dr. Xeno: Kenji Nojima
Stanley Snyder: Koji Yusa
PV
Source : Dr. STONE Official