“On May 31st, 2014, in the woods outside of Waukesha, Wisconsin, two 12-year old girls stabbed their classmate 19 times. This is the true story of what drove them to do it.”
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Beware the Slenderman (2016) – Official Trailer, Cast & Details
Beware the Slenderman at a Glance
Beware the Slenderman is a 2016 documentary and crime film helmed by Irene Taylor, starring Morgan Geyser, Anissa Weier and Payton Leutner. It runs 1 hour 55 minutes and came out on March 11, 2016. Beware the Slenderman has a TMDB rating of 6.5 out of 10 based on 273 votes.
Watch the official Beware the Slenderman trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
In this horrifyingly modern fairytale lurks an online Boogeyman and two 12-year-old girls who would kill for him. The entrance to the internet quickly leads to its darkest basement. How responsible are our children for what they find there?
Where “Beware the Slenderman” Fits in the 123Movies Catalog
Frequently Asked Questions About Beware the Slenderman
When was Beware the Slenderman released?
Beware the Slenderman was released on March 11, 2016.
What is the runtime of Beware the Slenderman?
Beware the Slenderman has a runtime of 1 hour 55 minutes (115 minutes).
Who stars in Beware the Slenderman?
Beware the Slenderman stars Morgan Geyser as Self, Anissa Weier as Self, Payton Leutner as Self (archive footage) and Angie Geyser as Self. The cast also includes William Weier, Michael O. Bohren, Michelle Trussoni and Kristi Weier.
Who directed Beware the Slenderman?
Beware the Slenderman was directed by Irene Taylor.
What genre is Beware the Slenderman?
Beware the Slenderman is listed on TMDB as a mix of documentary and crime.
What is the TMDB score of Beware the Slenderman?
On TMDB it has an average user score of 6.5/10 from 273 votes.
Where can I watch the trailer for Beware the Slenderman for free?
You can watch the official trailer for Beware the Slenderman for free on this 123Movies page. It is embedded from YouTube.
What movies are similar to Beware the Slenderman?
Movies TMDB recommends alongside Beware the Slenderman include Evil Influencer: The Jodi Hildebrandt Story (2025), The Crash (2026), Unknown Number: The High School Catfish (2025), Maternal Instinct (2026) and Trainwreck: The Real Project X (2025).
Can I stream the full movie of Beware the Slenderman 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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Unknown Number: The High School Catfish
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Trainwreck: The Real Project X
A Toxic Love Story
Why Did You Kill Me?
Aileen: Queen of the Serial Killers
The Anthrax Attacks: In the Shadow of 9/11
The Antisocial Network: Memes to Mayhem
The Menendez Brothers
