Episode 1
Nameless Poison
59m8.0 / 10
Episode credits
Guest stars Sayaka Yamaguchi, Seiji Fukushi, Kunio Murai, Yoko Ishino, Konatsu Tanaka, Yoshihiro Nozoe, Satomi Nagano, Shinichiro Uchida
TV series
Unnatural
20181 season8.4 / 10
Mikoto, a forensic investigative examiner, and her partners trace down the evidence of crimes and unravel the puzzles behind mysterious deaths.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
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Synopsis
Mikoto, a forensic investigative examiner, and her partners trace down the evidence of crimes and unravel the puzzles behind mysterious deaths.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Where to watch Unnatural
Episode 2
Case of the Suicidal Person
45m10.0 / 10
Episode credits
Guest stars Sayuri Matsumura, Rio Kanno, Eishin, Nikumaro, 麻仓卓也, Fumi Moriya, 细野今日子, Kurumi Inagaki
Episode 3
Unscheduled Witness
45m
Episode credits
Guest stars Mitsuru Fukikoshi, Yoichi Nukumizu, Yousuke Saito, Kei Otozuki, Yutaka Shimizu, Megumi Ujiie, Ryosuke Otani, Ippei Hikaru
Episode 4
For Whom Do We Work
45m
Episode credits
Guest stars Naho Toda, Yoshiyuki Tsubokura, Shihou Harumi, Daisuke Kikuta, Ryohei Abe, 藤村真優, Jouji Shibue, Hirota Otsuka
Episode 5
Retaliation for Death
45m
Episode credits
Guest stars Yuki Izumisawa, Airi Kido, Sato Naoko, Takeo Gozu, 青木美香
Episode 6
We're not Friends
45m
Episode credits
Guest stars Terunosuke Takezai, Hiroki Suzuki, Hiroaki Iwanaga, Katsuyuki Miyake, Tsuyoshi Nakano, Hanazuki Yuma
Episode 7
Murder Game
45m
Episode credits
Guest stars Onodera Akira, Ayumu Mochizuki, Fuju Kamio, Eri Fuse, Yukijiro Hotaru, Ai Moritaka, Gaku Oshida, Hijiri Sakurai
Episode 8
My Distant Home
45m
Episode credits
Guest stars Masatô Ibu, Mickey Curtis, Katsumi Kiba, Hiroyuki Onoue, Wataru Ichinose, Elen, Mikan Hazuki, 松熊つる松
Episode 9
Signs of the Enemy's Presence
45m
Episode credits
Guest stars Hiroyuki Onoue, Goro Oishi, Yûrei Yanagi, 黒沢恵梨
Episode 10
Journey's End
54mfinale
Episode credits
Guest stars Hiroyuki Onoue, Tomiyuki Kunihiro
Episode information updated Jul 22, 2026
More about Unnatural
Cast
Satomi IshiharaMisumi Mikoto
Arata IuraNakada Kei
Masataka KubotaKube Rokuro
Mikako IchikawaShoji Yuko
Yutaka MatsushigeKamikura Yasuo
Yukiya KitamuraShishido Riichi
Hiroko YakushimaruMisumi Natsuyo
Koji OhkuraMori TadaharuCredits
- Created by
- Ayuko Tsukahara
- Written by
- Akiko Nogi
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 10
- Original language
- Japanese
- Original title
- アンナチュラル
Networks & production
TBSJapan
TBS SparkleJapan- TBSJapan
- Dreamax TelevisionJapan
Themes
cause of deathdefiantforensichuman suspensejapanmedical examinermurder mysteryunnatural death
