Slenderman on Supernatural

I want to see Slenderman on Supernatural. And I want it done in a way that preserves or even enhances his creepiness. My idea is this: Sam and Dean go to a city because of reports of children going missing. Friends of the victims report seeing what Sam identifies as Slenderman. They try to stop him from kidnapping more victims, but they can’t. They get more and more frustrated, since they can’t even see him except out of the corners of their eyes, for split-seconds at a time. In the end, all they can do is cast a spell to banish him from the city, but by then it’s too late, he’s kidnapped all the victims he wanted, and will just go elsewhere at a later date. End the episode with flashes of Slenderman approaching closer and closer to the screen with each blink. The final image we see is Slenderman’s fingers seeming to head toward the screen from around the corner, trying to reach through the screen at us. Roll credits.