![](/sites/syfy/files/styles/16_9_medium/public/media_mpx/thumbnails/tve-static-syfy.akamaized.net/prod/image/716/162/Syfy2021_SlumberPartyMassacre_30_Social_16x9_1920x1080_2997_proxy_SD_1920x1080_122226757735_800x450_1954142787942.jpg)
HighlightCheck Out the 'Deranged' First Trailer for SYFY's Original Slasher Flick 'Slumber Party Massacre'
What’s a slasher without a gimmick? In SYFY’s new original movie Slumber Party Massacre, a gaggle of teens just trying to have the ultimate cabin-bound slumber party are forced to contend with a power drill-wielding maniac.