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Serotonin (2021) – Official Trailer, Cast & Details
Serotonin at a Glance
Serotonin is a 2021 documentary film directed by Harley Bull, starring Harley Bull, Harper Barnes and Alex Dixon. It runs 23 minutes and premiered on May 19, 2021. Serotonin holds an average TMDB user score of 10.0/10 from 1 votes.
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An official trailer for “Serotonin” has not been indexed yet from verified studio channels.
Search Clips on YouTubeStoryline & Synopsis
Harley Bull follows a young British man in an exploration of his history of drugs, mental health issues and how he learned to cope. A documentary on a true average male with a message to never lose hope.
Where “Serotonin” Fits in the 123Movies Catalog
Frequently Asked Questions About Serotonin
When was Serotonin released?
Serotonin was released on May 19, 2021.
What is the runtime of Serotonin?
Serotonin has a runtime of 23 minutes (23 minutes).
Who stars in Serotonin?
Serotonin stars Harley Bull, Harper Barnes, Alex Dixon and Conor Parrott.
Who directed Serotonin?
Serotonin was directed by Harley Bull. The screenplay is credited to Harley Bull.
What genre is Serotonin?
Serotonin is listed on TMDB as a documentary film.
What is the TMDB score of Serotonin?
On TMDB it has an average user score of 10.0/10 from 1 votes.
What movies are similar to Serotonin?
Movies TMDB recommends alongside Serotonin include Come See Me in the Good Light (2025), The Class of ‘92 (2013), A Toxic Love Story (2026), McQueen (2018) and Evil Influencer: The Jodi Hildebrandt Story (2025).
Can I stream the full movie of Serotonin on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
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