Viacom & Facebook Join Forces for MTV Quiz Show Chelsea Regan February 19, 2019 Top Stories Viacom International Media Networks (VIMN) has partnered with Facebook in the U.K. for a live and interactive MTV quiz game show called MTV STAX. The content you are trying to access is only available to members. Log In Register Facebook Watch MTV MTV STAX Viacom International Media Networks 2019-02-19 Chelsea Regan Share