To promote a new horror film, the mad geniuses at truTV asked us to film an elaborate (and terrifying) prank: film fans were lured to a creepy industrial loft to get a special sneak peek at the film’s trailer about an evil spirit who shuts out the lights before attacking. During the post-screening interview with the fans, the lights in the loft suddenly go out and — Super fun to devise the mechanics and deliver the payoff of this shoot.