Ready to start streamingHuman Specimens at home or on the go? Human Specimens is currently available to stream via subscription, rental, or purchase on Prime Video, Prime Video with Ads in the US.
Here are a few important points about the Prime Video series. Originally premiering December 19th, 2025, "Human Specimens" stars Hidetoshi Nishijima, Somegoro Ichikawa, Rie Miyazawa, Aoi Ito. The show spans 1 season(s) and currently holds a 62/100 rating on TMDb, which is based on reviews from 4 community users.
Wondering what the series is about? Here’s the plot: "Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens.""

































