If you are having issues using theaters or the personal tv's like the images below here is the fix!
-1.) Go to ( http://get.adobe.com/flashplayer/otherversions/ ) follow the steps & install it.
-2.) Next restart "Garry's Mod" and rejoin the server and should be fixed.
-1.) Go to ( http://get.adobe.com/flashplayer/otherversions/ ) follow the steps & install it.
-2.) Next restart "Garry's Mod" and rejoin the server and should be fixed.