The Boy Behind the Door
2020 · Horror
Now streaming · 5 credits
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“Let's cut to the chase.”
About Knifecorp
High school senior Wally Banks sells knives door to door and gets trapped in a man's house.
Knifecorp (2021) is a horror film running 1h 27m, directed by Zach Zorba Grashin. It is available in HD on Cineby for 5 credits. Create an account, add credits and the unlock is yours permanently. Use the player controls for subtitles, quality and fullscreen.
Watch Knifecorp online
Once unlocked, the film starts in the player at the top of this page. If the first source is slow, the player rotates to a backup automatically. Your purchase is stored in your account, so Knifecorp opens straight into playback on any return visit. Progress is saved on this device.
Knifecorp FAQ
How much does it cost to watch Knifecorp?
Knifecorp costs 5 credits on Cineby. Credits are $1 each, and an unlock is permanent — once bought, the film stays in your account and can be rewatched without paying again.
Do I need an account to watch Knifecorp?
Yes. Create an account, add credits, then unlock the film. Signing up is free and only takes an email and password.
Can I watch Knifecorp again after unlocking it?
Yes. The purchase is attached to your account, so returning to this page later opens the player directly. You are only charged once.
Who directed Knifecorp?
Knifecorp was directed by Zach Zorba Grashin.
Can I watch Knifecorp on my phone?
Yes. Cineby is responsive and the player works in mobile browsers. Tap fullscreen on the player for a larger picture, and use the CC control for subtitles.
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