Psychopath Diary poster
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Psychopath Diary

7.220191 seasonTV SeriesAction & AdventureComedyCrime

The story of a man named Yook Dong-sik who coincidentally witnesses a murder and picks up the killer's diary. While fleeing the scene, he gets into a car accident causes him to lose his memory. Due to the diary in his possession, he mistakenly believes that he is a psychopathic serial killer.

DirectorLee Jong-jae
WriterRyu Yong-jae

Where to watch

Rakuten VikiRakuten Viki
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Memory Loss
Nov 20, 2019 8.0
E2
I Am a Predator
Nov 21, 2019
E3
I’m Coming for You
Nov 27, 2019
E4
You and I Are the Same
Nov 28, 2019
E5
He’s Not Who He Seems
Dec 4, 2019
E6
Who is the Real Killer
Dec 5, 2019
E7
A Copy Cat Killer
Dec 11, 2019
E8
Closed Case
Dec 12, 2019
E9
It Wasn’t Me
Dec 18, 2019
E10
The Killer Inside Me
Dec 19, 2019
E11
I’m Not a Nice Guy
Dec 25, 2019
E12
The Confession
Dec 26, 2019
E13
Jailbreak
Jan 1, 2020
E14
I Remember
Jan 2, 2020
E15
The New Chairman
Jan 8, 2020
E16
The Final Battle
Jan 9, 2020

Cast · Directed by Lee Jong-jae

Yoon Shi-yoon
Yoon Shi-yoon
Yook Dong Shik
Jung In-sun
Jung In-sun
Shim Bo Kyung
Park Sung-hoon
Park Sung-hoon
Seo In Woo
Lee Han-wi
Lee Han-wi
Yook Jong Chul
Hwang Hyo-eun
Hwang Hyo-eun
Yook Ji Yeon
Lee Min-ji
Lee Min-ji
Oh Mi-Joo
Choi Tae-hwan
Choi Tae-hwan
Shin Seok-hyeon
Han Soo-hyun
Han Soo-hyun
Kim Mu Seok
Oh Chae-eun
Oh Chae-eun
[Seo Ji-hoon's secretary]

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Psychopath Diary — streaming FAQ

Which OTT platform streams Psychopath Diary?

Psychopath Diary is streaming on Rakuten Viki in United States. It's not currently on Netflix.

Is Psychopath Diary on Netflix?

No, Psychopath Diary is not on Netflix in United States as of August 2026. It's currently on Rakuten Viki.

Is Psychopath Diary on Amazon Prime Video?

No, Psychopath Diary isn't on Amazon Prime Video in United States right now. It's on Rakuten Viki instead.

Where can I watch Psychopath Diary for free?

Psychopath Diary is available to stream free (with ads) on The Roku Channel and OnDemandKorea in United States.

How many seasons are in Psychopath Diary?

Psychopath Diary has 1 season in total (16 episodes). The series concluded in 2020.

Are all episodes of Psychopath Diary out yet?

Yes — all 16 episodes across 1 season of Psychopath Diary are out and available to stream.

Is there a Season 2 of Psychopath Diary?

No — Psychopath Diary ended after 1 season, so there is no Season 2.