Beware the Slenderman (HBO Documentary Films)

Subscribe to the HBO Docs YouTube: http://itsh.bo/10r45k3 Beware the Slenderman is Coming Soon, only on HBO. HBO Docs on Facebook: https://www.facebook.com/hbodocs HBO Docs on Twitter: https://twitter.com/HBODocs HBO Documentary Films homepage: http://itsh.bo/I83ODm. HBO Documentary Films on HBO GO® http://itsh.bo/kUIs4w. HBO Documentary Films on Connect: http://connect.hbo.com/documentaries It's HBO. Connect with HBO Online Find HBO on Facebook: http://Facebook.com/HBO Follow @HBO on Twi