By Tim Molloy LOS ANGELES (TheWrap.com) – You’ve heard a lot about the new shows getting the buzz this fall – but what about the returning shows? Last season, almost all of television’s 30 top-rated shows were in at least their second season. And some old favorites – including “The Big Bang Theory” and “The Bachelor” – made big gains. What returning shows might come back strong this year? According to Wikia, home to a vast archive of wikis about all forms of entertainment, people are eager to read up on CW’s “Arrow,” CBS’s “2 Broke Girls,” and Fox’s “New Girl. …