Thursday, December 6, 2012 ratings — New episodes: The Big Bang Theory, Two And A Half Men, 30 Rock, The X Factor, Last Resort, The Vampire Diaries, Person Of Interest, The Office, Glee, Grey’s Anatomy, Beauty And The Beast, Parks And Recreation, Elementary, Scandal, and Up All Night.

Below are the fast affiliate ratings. The “demo” refers to the 18-49 demographic rating. The percentages represent the change since the previous original episode. Percentages aren’t given for reruns or specials. To see past ratings for a particular show, you can find them by clicking the show 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
Last Resort: 1.2 in the demo (+20% change) with 5.7 million.
Grey’s Anatomy: 3.0 in the demo (-3% change) with 8.9 million.
Scandal: 2.5 in the demo (+14% change) with 7.4 million.

CBS
The Big Bang Theory: 5.3 in the demo (-4% change) with 17.4 million.
Two and a Half Men: 4.2 in the demo (+5% change) with 14.2 million.
Person of Interest: 3.2 in the demo (+10% change) with 14.98 million.
Elementary: 2.3 in the demo (+5% change) with 10.9 million.

The CW:
The Vampire Diaries: 1.1 in the demo (-21% change) with 2.4 million.
Beauty and the Beast: 0.5 in the demo (-16% change) with 1.4 million.

FOX
The X Factor: 2.4 in the demo (-11% change) with 7.7 million.
Glee: 2.1 in the demo (-5% change) with 5.5 million.

NBC
30 Rock: 1.1 in the demo (-15% change) with 3.3 million.
Up All Night: 1.2 in the demo (0% change) with 2.9 million.
The Office: 2.1 in the demo (+11% change) with 4.2 million.
Parks and Recreation: 1.5 in the demo (+7% change) with 3.3 million.
Rock Center with Brian Williams: 1.0 in the demo (+11% change) with 3.6 million.

What were you watching last night? Any observations about the evening’s ratings?