Ratings: Two and a Half Men wins Monday, down 33%

Two and A Half Men dominated the ratings again last Monday with a 7.2 adult and 20 million viewers. How very Idolesque! Dancing with the Stars hit a series low 3.3 adult but still managed 15 million viewers.

The Sing-Off continues to disappoint with 1.7 adult and 4 million viewers.

FOX's Terra Nova premiered at 3.0 adults (oh no!) and Hawaii Five-0 got a 3.3.

From TVbytheNumbers:

The series premiere of Fox's Terra Nova drew a 3.0 adults 18-49 rating from 8-10pm on Monday.

CBS easily won the night with adults 18-49 as Two and Half Men fell 33% from its lofty premiere, but still scored a big 7.2 adults 18-49 rating and 20.03 million viewers. How I Met Your Mother declined just 6% vs. last week's premiere to a 4.4 adults 18-49 rating. Moving to its regular timeslot, 2 Broke Girls settled down 37% vs. its premiere to a still impressive 4.5 adults 18-49 rating. The season premiere of Mike & Molly drew a series high 4.9 adults 18-49 rating, and Hawaii Five-0's 3.3 adults 18-49 rating was down just 3% from its premiere last week.

ABC's Dancing with the Stars fell 18% from its premiere to a series low 3.3 adults 18-49 rating.

NBC's The Sing-Off fell 11% to a series low 1.7 adults 18-49 rating.