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Trailer

Human Specimens

2025Show1 season5 episodes

DramaMystery
65
GoodGoodWatch score
IMDb6.8
65
GoodGoodWatch score
IMDb6.8

Summary

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

Good for

  • Friends night
  • Binge-friendly
  • Thought-provoking

Skip it if

  • You need an uplifting mood
  • Graphic violence bothers you

Where to watch

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Not for warmth, comfort or laughs.

Shows with

Human Specimens episodes

1 season · 5 episodes

  1. S1 E1 Episode #1.1, 8.4
  2. S1 E2 Episode #1.2, 7.3
  3. S1 E3 Episode #1.3, 8.0
  4. S1 E4 Episode #1.4, 8.3
  5. S1 E5 Episode #1.5, 7.7

Cast

24 of 49 · most episodes first

Crew

Directors
Ryuichi Hiroki
Written by
Kanae Minato, Nami Kikkawa
Music by
Yaffle, Rikimaru Sakuragi

Everyone

Pick a department, or search for a name or a job (“editor”, “stunt”).

Facts

December 19, 2025 · December 19, 2025 · Ended

First aired
December 19, 2025
Last aired
December 19, 2025
Status
Ended
Length
1 season · 5 episodes
Content
Violence, Disturbing Imagery, Strong Language, Suicide Themes
Genres
Drama, Mystery, Crime
Original language
Japanese
Made in
United States, Japan
Available in
131 countries
Keywords
based on novel or book

Q&A

5 questions, like "Where can I stream Human Specimens?"

Questions about Human Specimens

Quick answers from GoodWatch data.

Where can I stream Human Specimens?

Prime

In the United States, Human Specimens streams on Prime. It also streams in 4 other countries.

Is Human Specimens worth watching?

65
GoodGoodWatch score

Mostly, it's well received, with a GoodWatch score of 65 (IMDb 6.8).

Will I feel good after watching Human Specimens?

BleakHopeful

Probably not: the title analysis rates it 9 of 10 for bleakness and 6 for melancholy, against 1 for hopefulness.

Will Human Specimens scare me?

Not scaryTerrifying

At times: scares are rated 7 of 10, and some images are gruesome (grotesque 8 of 10).

Is Human Specimens in English?

Japanese

No, it was made in Japanese.