Slenderman is a creepy internet story that spawned an interesting horror film. If you want to watch Slenderman online free then here are a few options (we checked these as recently as February 2019):

 

Just cancel before the 30 days is up and you don’t pay anything, simple. If you’re wanting to watch Slenderman for free and in high quality right now, then a free trial with Amazon Video is your best option. 

 

Here are some other sites you can try:

  • Putlocker
  • Flixtor
  • PopcornFlix
  • Quora

Disclosure: we sometimes use affiliate links when recommending a product or service. If you click through and sign up/purchase, we will earn a commission. Set a reminder if you’re starting a trial so you know when to cancel!