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Human Specimens poster

Human Specimens(2025)

20251 season5 episodes

Drama Mystery Crime

62%User score 62 percent

User Score

4 votes

Overview

Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."

Seasons(1)

Miniseries2025 · 5 episodesDecember 19, 2025

Season list for Human Specimens

Top Billed Cast

Hidetoshi Nishijima
Professor Shiro Sakaki
Somegoro Ichikawa
Itaru Sakaki

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Human Specimens (2025) | Watch Free Online Movies

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

Aoba Kawai

Kozue Sakaki

Miwako Ichikawa

Sawako Ichinose

Hideaki Murata

Kimihiko Ichinose

Yoshinari Furuya

Police officer at the local station

Yua Shiraishi

Shiro Sakaki's student

Yurina Tsubaki

Eri Ota

Yura Kimura

Shiro Sakaki (young)

Renwa Sato

Rumi Ichinose (young)

Yasushi Fuchikami

Detective Narumi

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Streaming availability data provided by JustWatch via TMDB.

Facts

Status: Ended
Type: Miniseries
Original name: 人間標本
First aired: December 19, 2025
Last aired: December 19, 2025
Network: Prime Video
Original language: Japanese

Official site IMDb

Keywords

based on novel or book
butterfly
psychological
thriller