Through the Darkness poster
Where to stream

Through the Darkness

7.820221 seasonTV SeriesCrimeDramaMystery

A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.

Where to watch

NetflixNetflixNetflix Standard with AdsNetflix Standard with AdsKocowaKocowa
Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

E1
Red Cap Incident
Jan 14, 2022 9.0
E2
Habits of Criminals
Jan 15, 2022 9.0
E3
Ha-yeong Meets Tae-gu Again
Jan 21, 2022 9.0
E4
What Must We Remember?
Jan 22, 2022 10.0
E5
Looking into the Minds of Evil
Jan 28, 2022 10.0
E6
The Man With the Hiking Boots
Jan 29, 2022 10.0
E7
A Scary Wolf Inside the Rabbit Burrow
Feb 25, 2022 10.0
E8
There Are No Perfect Crimes
Feb 26, 2022 10.0
E9
Becoming the Monster
Mar 4, 2022 10.0
E10
I Just Liked It
Mar 5, 2022 10.0
E11
The Victims And Their Families
Mar 11, 2022 10.0
E12
The Hearts of Criminals
Mar 12, 2022 10.0

Cast

KNKim Nam-gil
Kim Nam-gil
Song Ha-young
KSKim So-jin
Kim So-jin
Yoon Tae-goo
JSJin Sun-kyu
Jin Sun-kyu
Kook Young-soo
RRyeoun
Ryeoun
Jung Woo-joo
LDLee Dae-yeon
Lee Dae-yeon
Baek Jun-shik
JSJung Soon-won
Jung Soon-won
Nam Il-young
KWKim Won-hae
Kim Won-hae
Heo Gil-pyo
HWHong Woo-jin
Hong Woo-jin
Oh In-tak
JYJo Young-jin
Jo Young-jin
Lee Jin-chul
LHLee Haney
Lee Haney
Im Moo-sik
KHKim Hye-ok
Kim Hye-ok
Park Young-shin
SDSeo Dong-gab
Seo Dong-gab
Kim Bong-shik

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Through the Darkness — streaming FAQ

Which OTT platform streams Through the Darkness?

Through the Darkness is streaming on Netflix, Netflix Standard and Kocowa in United Kingdom.

Is Through the Darkness on Netflix?

Yes — Through the Darkness is available on Netflix in United Kingdom as of August 2026.

Is Through the Darkness on Amazon Prime Video?

No, Through the Darkness isn't on Amazon Prime Video in United Kingdom right now. It's on Netflix and Netflix Standard instead.

Where can I watch Through the Darkness for free?

Through the Darkness is available on Netflix and Netflix Standard in United Kingdom, but you'll need an active subscription — there's no free option right now.

How many seasons are in Through the Darkness?

Through the Darkness has 1 season in total (12 episodes). The series concluded in 2022.

Are all episodes of Through the Darkness out yet?

Yes — all 12 episodes across 1 season of Through the Darkness are out and available to stream.

Is there a Season 2 of Through the Darkness?

No — Through the Darkness ended after 1 season, so there is no Season 2.

Is Through the Darkness based on a book?

Yes — Through the Darkness is based on a book or novel.