Thursday, December 13, 2012 ratings — New episodes: The Big Bang Theory, Two And A Half Men, The X Factor, Last Resort, The Vampire Diaries, Person Of Interest, Take It All, Glee, Grey’s Anatomy, Beauty And The Beast, Elementary, Scandal, and Up All Night.

Below are the fast affiliate ratings. The “demo” refers to the viewers in the 18-49 demographic. The percentages represent the change since the previous original episode. (Percentages aren’t given for reruns or specials.) “Millions” refers to the total number of viewers.

To see past ratings for a particular show, click the show’s link. The show pages are updated with the daily final ratings when they become available. Those pages include percentage changes in both the demo and total viewership, in addition to season averages to date.

ABC
8pm – Last Resort: 1.2 in the demo (0% change) with 5.5 million.
9pm – Grey’s Anatomy: 3.1 in the demo (+3% change) with 8.8 million.
10pm – Scandal: 2.7 in the demo (+8% change) with 7.8 million.

CBS
8pm – The Big Bang Theory: 5.4 in the demo (+4% change) with 5.7 million.
8:30pm – Two and a Half Men: 4.2 in the demo (+5% change) with 13.6 million.
9pm – Person of Interest: 3.0 in the demo (+3% change) with 14.3 million.
10pm – Elementary: 2.3 in the demo (+10% change) with 10.6 million.

The CW:
8pm – The Vampire Diaries: 1.2 in the demo (0% change) with 2.7 million.
9pm – Beauty and the Beast: 0.6 in the demo (+20% change) with 1.6 million.

FOX
8pm – The X Factor: 2.4 in the demo (-4% change) with 7.7 million.
9pm – Glee: 2.0 in the demo (-9% change) with 5.3 million.

NBC
8pm – Up All Night: 0.9 in the demo (-25% change) with 2.7 million.
8:30pm – Up All Night: 1.1 in the demo (+22% change) with 2.7 million.
9pm – Take It All: 1.2 in the demo (+9% change) with 3.9 million.
10pm – Rock Center with Brian Williams: 0.9 in the demo (-10% change) with 3.4 million.

What were you watching last night? Do you think, based on their quality, any shows should have gotten higher or lower numbers?