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

OnDemandKoreaOnDemandKoreaKocowa Amazon ChannelKocowa Amazon ChannelKocowaKocowa
Availability shown for United States · 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

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

More like this

DCI Banks
DCI Banks
2011 · 7.1
Murder in a Small Town
Murder in a Small Town
2024 · 6.9
Cross
Cross
2024 · 7.0
Fool Me Once
Fool Me Once
2024 · 7.1
56 Days
56 Days
2026 · 7.3
Criminal Minds
Criminal Minds
2005 · 8.3
Dalgliesh
Dalgliesh
2021 · 6.7
Gangnam B-Side
Gangnam B-Side
2024 · 7.4
Luther
Luther
2010 · 7.9
Waking the Dead
Waking the Dead
2001 · 7.2
Above Suspicion
Above Suspicion
2009 · 7.0
Five Days
Five Days
2007 · 5.8

Through the Darkness — streaming FAQ

Which OTT platform streams Through the Darkness?

Through the Darkness is streaming on OnDemandKorea and Kocowa in United States. It's not currently on Netflix.

Is Through the Darkness on Netflix?

No, Through the Darkness is not on Netflix in United States as of August 2026. It's currently on OnDemandKorea and Kocowa.

Is Through the Darkness on Amazon Prime Video?

No, Through the Darkness isn't on Amazon Prime Video in United States right now. It's on OnDemandKorea and Kocowa instead.

Where can I watch Through the Darkness for free?

Through the Darkness is available on OnDemandKorea and Kocowa in United States, 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.