No series has been bigger this season than The Big Bang Theory. Its most recent new episode on November 15 earned a huge season high 5.7 adults 18-49 rating, up from a 5.1 for the prior week. With lots of shows posting ratings gains this week, it's possible the show's ratings could surge even higher tonight. Or they could fall back down to earth. Make your predictions below and remember that the show is often adjusted upward in the final ratings.