CBS just renewed "The Big Bang Theory" for three seasons, and then generously renewed 18 dramas: "NCIS", "NCIS: Los Angeles", "Criminal Minds", "Person of Interest", "Hawaii SWAT", "Blue Bloods", "CSI", "The Good Wife", "Elementary", "2 Broke Girls", "The Millers", "Two and a Half Men", "Big Fat and Jigglypuff", and "Mom" were renewed for one season each.