Overview
Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
Seasons & Episodes
Miniseries
Key Information
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Cast & Crew
Hidetoshi Nishijima
Professor Shiro Sakaki
Somegoro Ichikawa
Itaru Sakaki
Rie Miyazawa
Rumi Ichinose
Aoi Ito
Anna Ichinose
Towa Araki
Toru Shirase
Jyutaro Yamanaka
Hikaru Akabane
Kodai Kurosaki
Sho Ishioka
Leo Matsumoto
Ao Fukazawa
Ikuho Akiya
Dai Kuroiwa
Jun Murakami
Ichiro Sakaki
Yurina Tsubaki
Aoba Kawai
Kozue Sakaki
Photos
Frequently Asked Questions
Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
Human Specimens has 1 season with 5 episodes.
Human Specimens premiered on December 19, 2025.
No, Human Specimens has ended. The final episode aired on December 19, 2025.
Human Specimens originally aired on Prime Video. Check your local streaming services for availability.
Human Specimens has a rating of 6.0/10 based on user reviews.
Human Specimens is classified as Drama, Mystery, Crime.