omg! – LOS ANGELES (TheWrap.com) – CBS’ “Big Bang Theory” pulled up to “American Idol” for a tie in the ratings Thursday night, while Fox was the highest rated and most-watched network as its new drama “The Finder” improved by 32 percent, according to preliminary numbers. Fox’s “Idol” at 8 p.m. drew a 5.4 rating/14 share in the adults 18-49 demographic and 16.9 million total viewers. It was even with CBS’ “Big Bang Theory” in the demographic ratings but had the night’s most total viewers. “The Finder” the following hour took a 2.9/7 in the demographic and 8.5 million total viewers. …