 Chuck Lorre and CBS Entertainment president Nina Tassler also credit the success to the influence of Molaro, in particular the deepening exploration of the firmly established regular characters and their interpersonal relationships, such as the on-again, off-again relationship between Leonard and Penny.Throughout much of the 2012–13 season, "The Big Bang Theory" placed first in all of syndication ratings, receiving formidable competition from only "Judge Judy" and "Wheel of Fortune" (first-run syndication programs).By the end of the 2012–13 television season, "The Big Bang Theory" had dethroned "Judge Judy" as the ratings leader in all of syndicated programming with 7.1, "Judy" descending to second place for that season with a 7.0.