Psychopath Diary (2019)

Comedy · Crime · Mystery

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.

IMDb rating: 7.6 (1,180 votes)
Seasons: 1
Streaming (US): Rakuten Viki · The Roku Channel · OnDemandKorea · Tubi TV · Amasian TV
Language: KO
Type: TV series

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Ratings refreshed Aug 19, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2019)

8.64 avg 16 episodes 8.5 → 8.3 80 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Memory Loss	8.5	35
2	I Am a Predator	8.8	32
3	I'm Coming for You	9.0	34
4	You and I Are the Same	9.1	32
5	He's Not Who He Seems	8.5	27
6	Who is the Real Killer	8.7	27
7	A Copy Cat Killer	8.5	24
8	Closed Case	8.6	24
9	It Wasn't Me	8.3	24
10	The Killer Inside Me	8.5	25
11	I'm Not a Nice Guy	8.6	22
12	The Confession	8.9	20
13	Jailbreak	8.8	22
14	I Remember	8.9	23
15	The New Chairman	8.2	21
16	The Final Battle	8.3	22