TV show availability guide
Psychopath Diary
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.
2019 7.2/10 community score 1 season · 16 episodes Ended
- Action & Adventure
- Comedy
- Crime
- Mystery
Viewing market
Country-level availability
Where to watch in United States
5 platforms currently listed across all viewing options
Data checked 19 Oct 2026, 17:45 UTC
Free with ads
5Streaming providerThe Roku ChannelNo linked platform guide yetDetails unavailable Streaming providerRakuten VikiNo linked platform guide yetDetails unavailable Streaming providerOnDemandKoreaNo linked platform guide yetDetails unavailable Linked platform guideTubi TVRelated brand guideView details Streaming providerAmasian TVNo linked platform guide yetDetails unavailable
Series schedule
Seasons and episode dates
A concise series timeline, including the latest aired episode and the next date currently listed.
- First aired
- Seasons
- 1
- Episodes
- 16
- Status
- Ended
Latest aired episode
S1 E16
The Final Battle
Aired 1h 5m
It's the final battle between Dong Sik and In Woo. With the police heading their way, Dong Sik fights off In Woo, who has a gun pointed at Bo Kyung's face. As the police arrive, gunshots echo down the emergency stairway. Who will be the victor? In Woo, the psychopath serial killer? Or Dong Sik, the pushover?
Next listed episode
No upcoming episode date is currently listed.
Season guide
Most recent seasons first
Season 1
16 episodes
First episode aired
About these dates: Air dates describe the series schedule and may change. They do not confirm that an episode is available on the same date from the providers listed above.
Reader conversation
Community discussion
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