Where to watch Diary of a Serial Killer (2026) · WhereToWatch.it

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Where to watch Diary of a Serial Killer (2026) · WhereToWatch.it

Availability by country

Streaming in 1 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Not listed
United States	Tubi TV
United Kingdom	Not listed
Japan	Not listed
Germany	Not listed
Brazil	Not listed

FAQ

Where can I watch Diary of a Serial Killer in United States?: As of 2026-09-12, in United States: Diary of a Serial Killer ad-supported on Tubi TV.
Where can I watch Diary of a Serial Killer in India?: Diary of a Serial Killer is not on tracked licensed apps in India right now.
Where can I watch Diary of a Serial Killer in United Kingdom?: Diary of a Serial Killer is not on tracked licensed apps in United Kingdom right now.
Where can I watch Diary of a Serial Killer in Japan?: Diary of a Serial Killer is not on tracked licensed apps in Japan right now.
Where can I watch Diary of a Serial Killer in Germany?: Diary of a Serial Killer is not on tracked licensed apps in Germany right now.
Where can I watch Diary of a Serial Killer in Brazil?: Diary of a Serial Killer is not on tracked licensed apps in Brazil right now.
Do you host Diary of a Serial Killer?: No. WhereToWatch.it never hosts or embeds the title. We only show licensed apps and open their official sites.
Can I watch Diary of a Serial Killer on this site?: No. The player is an official trailer only. Watch opens the licensed app or store that actually has the title in your country.
What do Stream, Free, Ads, and Rent mean?: Stream is included with a subscription. Free is complimentary on that app. Ads means ad-supported streaming. Rent or Buy is a one-off purchase on a store.
How do you know what is available in United States?

This product uses the TMDB API but is not endorsed or certified by TMDB. Extra data may come from AniList, OMDb, Jikan, and Wikipedia.

Availability by country

Streaming in 1 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Not listed
United States	Tubi TV
United Kingdom	Not listed
Japan	Not listed
Germany	Not listed
Brazil	Not listed

FAQ

Where can I watch Diary of a Serial Killer in United States?: As of 2026-09-12, in United States: Diary of a Serial Killer ad-supported on Tubi TV.
Where can I watch Diary of a Serial Killer in India?: Diary of a Serial Killer is not on tracked licensed apps in India right now.
Where can I watch Diary of a Serial Killer in United Kingdom?: Diary of a Serial Killer is not on tracked licensed apps in United Kingdom right now.
Where can I watch Diary of a Serial Killer in Japan?: Diary of a Serial Killer is not on tracked licensed apps in Japan right now.
Where can I watch Diary of a Serial Killer in Germany?: Diary of a Serial Killer is not on tracked licensed apps in Germany right now.
Where can I watch Diary of a Serial Killer in Brazil?: Diary of a Serial Killer is not on tracked licensed apps in Brazil right now.
Do you host Diary of a Serial Killer?: No. WhereToWatch.it never hosts or embeds the title. We only show licensed apps and open their official sites.
Can I watch Diary of a Serial Killer on this site?: No. The player is an official trailer only. Watch opens the licensed app or store that actually has the title in your country.
What do Stream, Free, Ads, and Rent mean?: Stream is included with a subscription. Free is complimentary on that app. Ads means ad-supported streaming. Rent or Buy is a one-off purchase on a store.
How do you know what is available in United States?

This product uses the TMDB API but is not endorsed or certified by TMDB. Extra data may come from AniList, OMDb, Jikan, and Wikipedia.