The House with a Clock in Its Walls "Prank Jack Black" Featurette Subscribe and click the notification bell HERE: goo.gl/SrrTlT Subscribe to Filmisnow Movie Trailers: goo.gl/8WxGeD #HouseWithAClock #BehindTheScenes. A young orphan named Lewis Barnavelt aids his magical uncle in locating a clock with the power to bring about the end of the world. Some of the best and most funniest movie moments happen behind the scenes. #FilmIsNowExtra & Movie Bloopers channel gives you the latest and best behind the scenes footage, gag reel, vfx breakdown, interviews, featurettes and deleted/alternate scenes. We give you the before, during and after that goes into making movies.