ALL THREE CBS DRAMAS SWEEP TIME PERIODS IN VIEWERS AND KEY DEMOGRAPHICS

"NCIS" Notches Second-Largest Audience of the Season

"NCIS: Los Angeles" Posts Highest Adult 18-49 Rating Since Oct. 2 and Highest Adult 25-54 Rating Since Season Premiere

"Vegas" Also Scores Highest Adult 18-49 and Adult 25-54 Rating Since October

CBS swept all three hours in viewers and key demographics, with NCIS: LOS ANGELES and VEGAS delivering their highest demographics since October and NCIS notching its second-largest audience of the season, according to Nielsen preliminary live plus same day ratings for Tuesday, Jan. 29.

NCIS was first in households (13.5/21), viewers (21.83m), adults 25-54 (5.5/13) and adults 18-49 (3.7/10) at 8:00 PM. NCIS beat NBC, ABC, FOX and CW combined by +6.88m viewers (more viewers than any other individual network delivered in the hour, vs. 14.95m, +46%). This is the third consecutive first-run NCIS episode to deliver more than 21 million viewers live plus same day.

NCIS: LOS ANGELES was first in households (10.5/16), viewers (17.19m), adults 25-54 (4.5/10) and adults 18-49 (3.1/08) from 9:00-10:00 PM. Compared to the last first-run episode (on Jan. 15, 2013), NCIS: LOS ANGELES was +10% in adults 25-54 (from 4.1/09) and +15% in adults 18-49 (from 2.7/07). NCIS: LOS ANGELES posted its best delivery in adults 25-54 since Sept. 25, 2012 (the season four premiere) and best adults 18-49 rating since Oct. 2, 2012. NCIS: LOS ANGELES beat the competition combined in viewers by +5.58m viewers (more viewers than any other individual network delivered in the hour, vs. 11.61m, +48%). This is the third consecutive first-run NCIS: LOS ANGELES episode to deliver more than 17 million viewers live plus same day.

At 10:00 PM, VEGAS was first in households (7.0/12), viewers (11.12m), adults 25-54 (2.8/07) and adults 18-49 (1.9/05). Compared to the last first-run episode (on Jan. 15, 2013), VEGAS was up +8% in adults 25-54 (from 2.6/06) and +19% in adults 18-49 (from 1.6/04). VEGAS delivered its best ratings in both adults 25-54 and adults 18-49 since Oct. 9, 2012.

For the night, CBS was first in households (10.4/16), viewers (16.71m), adults 25-54 (4.3/10) and adults 18-49 (2.9/08).

Updated Tuesday ratings will be available later today.