CBS SWEEP TUESDAY IN VIEWERS AND KEY DEMOGRAPHICS

"NCIS" and "NCIS: Los Angeles" are the Top Two Programs of the Night in Viewers, Adults 18-49 and Adults 25-54

"Vegas" Wins Time Period in Viewers

NCIS and NCIS: LOS ANGELES led CBS to a Tuesday sweep in viewers and key demographics, according to Nielsen preliminary live plus same day ratings for Feb. 5.

NCIS was first in households (13.1/20), viewers (21.49m), adults 25-54 (5.6/14) and adults 18-49 (3.7/10) at 8:00 PM. NCIS beat NBC, ABC, FOX and CW combined by +5.01m viewers (vs. 16.48m, +30%). This is the fourth consecutive first-run NCIS episode to deliver more than 21 million viewers live plus same day. NCIS was the night's #1 program in households, viewers, adults 25-54 and adults 18-49.

NCIS: LOS ANGELES was first in households (10.2/15), viewers (16.57m), adults 25-54 (4.5/10) and adults 18-49 (3.1/08). NCIS: LOS ANGELES matched last week's delivery in adults 25-54 and adults 18-49, which was the best performance by the program in those measures since the season premiere on Sept. 25, 2012. If the ratings hold, NCIS: LOS ANGELES was the night's #2 program (behind NCIS) in households, viewers, adults 25-54 and adults 18-49.

At 10:00 PM, VEGAS was first in households (6.6/11) and viewers (10.22m), and was second behind ABC's "Bachelor" special in adults 25-54 (2.6/06) and adults 18-49 (1.6/04).

For the night, CBS was first in households (9.9/16), viewers (16.09m), adults 25-54 (4.2/10) and adults 18-49 (2.8/07).

Updated Tuesday ratings will be available later today.