<I>The Big Bang Theory</i>'s Jim Parsons, <I>Heroes</i>' Kristen Bell The Big Bang Theory's Jim Parsons, Heroes' Kristen Bell

Monday's ratings round-up:

8 pm/ET
Dancing with the Stars averaged 21.33 million total viewers, a 13 percent increase over last season's final competition night, but down 14 percent from November 2007's big dance-off. Placing second, CBS' Big Bang Theory hit a new all-time high (10.19 million), while How I Met Your Mother delivered a season-best 10.04 mil.

Chuck dipped 180 to claim third with 6.62 mil, and Sarah Connor dropped 680 thousand (to 4.62 mil).

9 pm
Two and a Half Men (14.9 million viewers) dropped 300K from last week's season high, while lead-out Worst Week held steady at 10.35 mil. Winning the back half of the hour, Samantha Who? surged 810K to 11.93 mil.

With an audience of 7.85 mil, Heroes enjoyed its first week-to-week increase (+260K) since Oct. 13. Prison Break (5.25 mil, down 11 percent) and One Tree Hill (2.21 mil, down 19 percent), despite combining to drop a plethora of bombshells, both took dives.

10 pm
CSI: Miami topped the hour with 14.15 million viewers, down eight percent from last week's mighty audience. Both Boston Legal (8.68 mil) and My Own Worst Enemy (4.25 mil) saw gains of 250K.