"NCIS" DELIVERS SECOND-LARGEST AUDIENCE EVER WITH 22.34 MILLION VIEWERS

"NCIS" Scores Best Adult 18-49 Ratings Since Season Premiere and Best Adult 25-54 Ratings of Season

"NCIS: Los Angeles" Sweeps Time Period in Viewers and Demos

"Vegas" First at 10:00 PM in Viewers and Adults 25-54

CBS Continues to Dominate Tuesday

NCIS scored its second-largest audience in the history of the series with 22.34 million viewers, its best adults 18-49 ratings since the season premiere and its highest adults 25-54 ratings of the season, according to Nielsen preliminary live plus same day ratings for Tuesday, Jan. 15.

NCIS was first in households (13.9/21), viewers (22.34m), adults 25-54 (5.8/14) and adults 18-49 (3.8/11). NCIS posted its best household ratings ever, its second-best viewers delivery (only behind Feb. 1, 2011), its best adults 25-54 rating since Feb. 7, 2012 and its best adults 18-49 since Sept. 25, 2012. NCIS beat NBC, ABC, FOX and CW combined in viewers by +57% (vs. 14.27m).

NCIS: LOS ANGELES was first in households (10.9/16), viewers (17.48m), adults 25-54 (4.1/09) and adults 18-49 (2.7/07). NCIS: LOS ANGELES posed its second-best viewer delivery this season and matched the season's second-best adults 25-54 rating. NCIS: LOS ANGELES beat NBC, ABC, FOX and CW combined in viewers by +60% (vs. 10.92m).

At 10:00 PM, VEGAS was first in households (7.1/12), viewers (11.05m) and adults 25-54 (2.5/06), and was second in adults 18-49 (1.6/04). VEGAS posted its best viewers delivery since Oct. 9, 2012 and matched last week's adults 25-54 rating, which was the best since Oct. 9, 2012.

For the night, CBS was first in households (10.6/16), viewers (16.96m), adults 25-54 (4.1/10) and adults 18-49 (2.7/07). CBS posted its best Tuesday households and viewers deliveries since Sept. 25, 2012 and matched its second-best adults 25-54 on Tuesday this season.

Updated Tuesday ratings will be available later today.