The story so far
Behind You (2026)
The same weekend also brings No Choice. Two trailers, one argument about which one wins the window.
Behind You arrives on streaming December 5, 2026.
Reactr / Trailer Reactions / Behind You
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Streaming Release · December 5, 2026
Behind You
Trailer Reactions
R
Horror · Mystery · Thriller
Be careful what you see
The main character goes to a thrift store; he finds an old camcorder. He tales it home then he discovers something no man should see
Free · no editing · camera or voice only · the clip is yours to post
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The Trailer
Press play: the Behind You trailer
Dropped June 10, 2026
Behind the film
The history behind Behind You
Production is led by Joel Tuinstra Films. Direction comes from Joel Tuinstra. It carries an R rating in the US.
Meet the cast
Who you’ll see in the trailer
Isaac Cooper, Joel Tuinstra and Laura Tuinstra lead the cast. Isaac Cooper plays The Mian Character.
Isaac Cooper
as The Mian Character
Joel Tuinstra
as worker 1
Laura Tuinstra
as worker 2
Joel Tuinstra
as the man behind you
What makes this one worth reacting to
This trailer was made to be reacted to
Every mystery tease is a puzzle box missing one piece on purpose. Catch your first guess at what it is.
The algorithm decides what a streaming release gets attention, and a genuine reaction clip is exactly what it looks for. Give it one.
Reactions on Reactr
Be one of the first to react
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Record the first reaction →FAQ
Behind You: quick answers
How do I record a Behind You trailer reaction?
Open the reaction recorder on your phone at reactr.film/studio/behind-you, choose camera or voice only, and press record while the trailer plays. Reactr captures your reaction and gives you a share-ready clip when the trailer ends. It is free.
Do I have to be on camera?
No. Voice Reaction mode records your commentary with the microphone only: the camera stays off, no face is recorded, and you still get a share-ready clip for your channel.
When does Behind You come out?
Behind You is scheduled to premiere on streaming on December 5, 2026. Dates can shift, so check back for updates.
Who stars in Behind You?
Isaac Cooper, Joel Tuinstra, Laura Tuinstra and Joel Tuinstra lead the cast, directed by Joel Tuinstra.
Is Reactr free?
Yes. Recording reaction clips on Reactr is free, with no paywall on the finished clip. You own your clip and can post it to TikTok, Reels, Shorts, or anywhere else. Reactr makes money from studios and sponsors, not from creators.
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