Monday, April 15, 2013 ratings — New episodes: Oh Sit!, 90210, The Voice, How I Met Your Mother, Rules of Engagement, 2 Broke Girls, Mike & Molly, Hawaii Five-0, Bones, The Following, Dancing With The Stars, and Castle. Specials: Terror in Boston.

ABC
8pm – Dancing with the Stars: 2.2 in the demo (+5% change) with 13.41 million.
10pm – Castle: 2.1 in the demo (-5% change) with 10.41 million.

CBS
8pm – How I Met Your Mother: 2.6 in the demo (-4% change) with 6.58 million.
8:30pm – Rules of Engagement: 2.0 in the demo (-9% change) with 6.07 million.
9pm – 2 Broke Girls: 2.3 in the demo (-23% change) with 7.48 million.
9:30pm – Mike & Molly: 2.2 in the demo (-15% change) with 7.65 million.
10pm – Hawaii Five-0: 1.8 in the demo (-14% change) with 7.65 million.

The CW:
8pm – Oh Sit! (season debut) 0.4 in the demo with 1.09 million.
9pm – 90210: 0.2 in the demo (0% change) with 0.56 million.

FOX
8pm – Bones: 1.9 in the demo (-5% change) with 6.41 million.
9pm – The Following: 2.1 in the demo (-5% change) with 6.41 million.

NBC
8pm – The Voice: 5.1 in the demo (+2% change) with 14.29 million.
10pm – Terror in Boston: (news special) 3.1 in the demo with 8.86 million.

Notes: Above 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? New episodes, something on cable, your DVR, or something better?