Human Specimens (2025): cast, story & where to watch
2025 · Series · ★ 6.2
Released in 2025, Human Specimens is a drama, mystery and crime series.
What it’s about. Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
Who’s in it. Human Specimens stars Hidetoshi Nishijima as Professor Shiro Sakaki, Somegoro Ichikawa as Itaru Sakaki, Rie Miyazawa as Rumi Ichinose and Aoi Ito as Anna Ichinose, among others.
How it landed. With an audience score of 6.2/10, Human Specimens has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on Amazon Prime Video and Amazon Prime Video with Ads. See the full, country-by-country breakdown on our where to watch Human Specimens page.
If you liked it. Fans of Human Specimens tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch Human Specimens (2025)?
- In US, Human Specimens is available to stream on Amazon Prime Video and Amazon Prime Video with Ads. Availability varies by country — check our where-to-watch page for every region.
- Is Human Specimens worth watching?
- Human Specimens holds an audience score of 6.2 out of 10, and is a strong pick if you enjoy drama, mystery and crime. Reactions are mixed, so it may depend on taste.
- Who stars in Human Specimens?
- Human Specimens stars Hidetoshi Nishijima, Somegoro Ichikawa, Rie Miyazawa, Aoi Ito and Towa Araki.
- When was Human Specimens released?
- Human Specimens was released in 2025.