Mondo Bad Media S1E1: Slender Man (2018‪)‬ Mondo Bad Media

Mondo Bad Media returns with a brand-new episode, in which the long-suffering Vik Vimes attempt to muddle his way through a movie so boring, it may actually be classed as a narcotic.

SomethingAwful.com Forums thread (via Archive.org): https://web.archive.org/web/20120120074129/http://forums.somethingawful.com/showthread.php?threadid=3150591&userid=0&perpage=40&pagenumber=3

Article about the Slenderman Stabbing: https://en.wikipedia.org/wiki/Slender_Man_stabbing (my apologies, it was 2014 when this took place)