"THE BIG BANG THEORY" LEADS CBS TO A THURSDAY NIGHT SWEEP IN VIEWERS AND KEY DEMOGRAPHICS

"Person of Interest" and "Elementary" First in Time Periods in All Key Measures

"Two and a Half Men" Places First in Adults 18-49

CBS won Thursday in viewers and key demographics, led by THE BIG BANG THEORY, the night's #1 program in all ratings measures, according to Nielsen preliminary live plus same day ratings for March 14.

Please Note: CBS programming was pre-empted/delayed in approximately 3% of the country due to ACC and SEC conference basketball tournaments. Ratings are tentative and likely to change.

THE BIG BANG THEORY was first in households (9.7/15), viewers (15.71m), adults 25-54 (6.1/18), adults 18-49 (4.5/15) and adults 18-34 (3.1/13). THE BIG BANG THEORY was the night's #1 program in households, viewers, adults 25-54, adults 18-49 and adults 18-34.

TWO AND A HALF MEN was first in households (7.8/13) and adults 25-54 (4.7/12), tied for first in adults 18-49 (3.3/10, with FOX) and was second in viewers (12.40m, -0.16m viewers behind FOX).

PERSON OF INTEREST was first in households (9.0/14), viewers (14.57m), adults 25-54 (4.3/10) and adults 18-49 (2.9/08). Compared to last week, PERSON OF INTEREST was up +2% in adults 25-54 (from 4.2/10), +4% in adults 18-49 (from 2.8/08) and was even in viewers.

ELEMENTARY was first in households (7.2/12), viewers (11.49m), adults 25-54 (3.5/09) and adults 18-49 (2.4/07). Compared to the last first-run episode (on Feb. 21, 2013), ELEMENTARY was up +3% in households (from 7.0/12), +6% in adults 25-54 (from 3.3/08), was even in adults 18-49 and added +300,000 viewers (from 11.19m, +3%).

For the night, CBS was first in households (8.3/14), viewers (13.37m), adults 25-54 (4.4/11) and adults 18-49 (3.1/09).

Updated Thursday ratings will be available later today.