Planning to check out Human Specimens on your favorite streaming device? 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 helpful facts 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.
Looking for a quick plot summary? Here’s the plot: "Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens.""
