Thursday, April 18, 2013 ratings — New Episodes: Community, Parks and Recreation, Hannibal, American Idol, Glee, Wife Swap, The Vampire Diaries, and Beauty And The Beast. Episode Reruns: The Office, The Big Bang Theory, Two and a Half Men, 2 Broke Girls, Person of Interest, Grey’s Anatomy, and Scandal.

ABC
8pm – Wife Swap: 1.5 in the demo (+7% change) with 4.73 million.
9pm – Grey’s Anatomy: (rerun) 1.1 in the demo with 3.98 million.
10pm – Scandal: (rerun) 0.9 in the demo with 3.37 million.

CBS
8pm – The Big Bang Theory: (rerun) 3.0 in the demo with 11.19 million.
8:30pm – Two and a Half Men: (rerun) 2.3 in the demo with 8.73 million.
8pm – The Big Bang Theory: (rerun) 3.2 in the demo with 10.75 million.
8:30pm – 2 Broke Girls: (rerun) 2.2 in the demo with 7.69 million.
10pm – Person of Interest: (rerun) 1.7 in the demo with 8.56 million.

The CW:
8pm – The Vampire Diaries: 0.9 in the demo (-25% change) with 2.14 million.
9pm – Beauty and the Beast: 0.6 in the demo (0% change) with 1.60 million.

FOX
8pm – American Idol: 2.9 in the demo (-9% change) with 12.31 million.
9pm – Glee: 2.2 in the demo with 6.39 million.

NBC
8pm – Community: 1.3 in the demo (+8% change) with 3.19 million.
8:30pm – The Office: (rerun) 1.0 in the demo with 2.31 million.
9pm – Parks and Recreation: 1.7 in the demo (+13% change) with 3.34 million.
9:30pm – Parks and Recreation: 1.7 in the demo (0% change) with 3.25 million.
10pm – Hannibal: 1.4 in the demo (-18% change) with 3.50 million.

These 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.) “Million” 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.

Here are the show season averages, grouped by network: ABC | CBS | CW | FOX | NBC

What were you watching last night? Some original episodes, reruns, or something better?