Where to stream

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

The Roku Channel

The Roku Channel

Rakuten Viki

OnDemandKorea

OnDemandKorea Tubi TV

Tubi TV

Amasian TV

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

Jung In-sun

Park Sung-hoon

Lee Han-wi

Hwang Hyo-eun

Lee Min-ji

Choi Tae-hwan

Shin Seok-hyeon

Han Soo-hyun

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 The Roku Channel, Rakuten Viki and OnDemandKorea 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 September 2026. It's currently on The Roku Channel and 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 The Roku Channel and 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 Rakuten Viki 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.