Under The Dome jumped to 17.76 million viewers and a 4.6 rating in the demo for its premiere, now that seven days worth of DVR playback has been added in by Nielsen, CBS reported today. The Stephen King event series’ unveiling added 4.23 million viewers to its original crowd of 13.53 mil, back on June 24. That’s CBS’ fourth-biggest drama-series lift this season. Three broadcasts of its Sherlock Holmes procedural Elementary copped bigger DVR crowds when Live+7 Day viewing was factored in — the biggest haul being the May 9 episode, which jumped by 4.33 million.