"CSI" HITS A SEASON HIGH IN VIEWERS AND DELIVERS THE LARGEST AUDIENCE OF ANY PROGRAM THIS SEASON

"Survivor: Guatemala" Also Posts Its Best Performances in Viewers and Key Demographics

"Without a Trace" Soars to 20.6 Million Viewers

CBS Has Its Largest Thursday Audience of the Season and Matches Season Highs in Adults 18-49 and Adults 25-54

CSI's largest audience of the season and series high ratings for SURVIVOR: GUATEMALA paced CBS to its largest Thursday audience of the season, according to preliminary Nielsen ratings for Nov. 10.

CSI finished first in households (18.2/27), viewers (29.45m), adults 25-54 (12.4/28), adults 18-49 (10.1/25) and adults 18-34 (7.6/22). Last night's episode of CSI will rank as the #1 broadcast on any network this season.

SURVIVOR: GUATEMALA won its time period with an 11.1/17 with 19.12m viewers, 5.1/16 in adults 18-34, 6.9/19 in adults 18-49 and 8.3/20 in adults 25-54.

This is the best households, viewers, adults 18-34, adults 18-49 and adults 25-54 of any episode of SURVIVOR GUATEMALA this season.

WITHOUT A TRACE won its time period in households (13.7/22), viewers (20.62m), adults 25-54 (7.9/19) and was second in adults 18-49 (6.3/17). WITHOUT A TRACE beat "ER" by +36% in households (vs. 10.1/16) and +1% in adults 25-54 (vs. 7.8/19) and by more than 5 million viewers (from 15.40m, +5.22m).

For the night, CBS was first in households (14.3/22), viewers (23.06m), adults 25-54 (9.5/22), adults 18-49 (7.8/20) and adults 18-34 (5.9/18).

Compared to the same night last year, CBS has increased its margin of victory against NBC in households (+6.6 from +4.0), viewers (+11.37m from +7.45m), adults 25-54 (+3.8 from +1.9), adults 18-49 (+2.8 from +0.8) and moved into first place in adults 18-34 (+1.6 from -0.6).

Final Thursday ratings will be available this afternoon.

[EDITOR'S NOTE: What follows is the afternoon update with the final national Nielsen ratings.]

"CSI" HITS A SEASON HIGH IN VIEWERS AND DELIVERS THE LARGEST AUDIENCE OF ANY PROGRAM THIS SEASON

The Top Five Broadcasts Of the Season Are "CSI" Episodes

"Survivor: Guatemala" Also Posts Its Best Performances in Viewers and Key Demographics

"Without a Trace" Soars to 20.8 Million Viewers

CBS Has Its Best Thursday In Viewers and Adults 25-54, Matches Thursday Season Highs in Adults 18-49

CSI's largest audience of the season and series high ratings for SURVIVOR: GUATEMALA paced CBS to its largest Thursday audience of the season, according to final national Nielsen ratings for Nov. 10.

CSI finished first in households (18.2/27), viewers (29.55m), adults 25-54 (12.4/28), adults 18-49 (10.2/25) and adults 18-34 (7.7/22). Last night's episode of CSI ranks as the Number One broadcast on any network this season-to-date. The top five broadcasts this season in viewers are all CSI episodes.

CSI beat NBC, ABC, FOX, WB and UPN combined in households (vs. 16.8/26, +8%), viewers (vs. 25.48m, +16%), adults 25-54 (vs. 11.3/26, +10%) and in a virtual tie with the other five networks combined in adults 18-49 (vs. 10.4/26).

SURVIVOR: GUATEMALA won its time period with an 11.0/17 with 18.98m viewers, 5.0/15 in adults 18-34, 6.9/19 in adults 18-49 and 8.3/20 in adults 25-54. This is the best households, viewers, adults 18-34, adults 18-49 and adults 25-54 delivery of any episode of SURVIVOR: GUATEMALA this season.

WITHOUT A TRACE won its time period in households (13.8/22), viewers (20.78m), adults 25-54 (7.9/19) and was second in adults 18-49 (6.3/17). WITHOUT A TRACE beat "ER" by +37% in households (vs. 10.1/16), +1% in adults 25-54 (vs. 7.8/19) and by more than 5 million viewers (vs. 15.44m, +5.34m).

For the night, CBS was first in households (14.4/22), viewers (23.15m), adults 25-54 (9.6/22), adults 18-49 (7.8/21) and adults 18-34 (5.9/18). CBS posted season highs on Thursday in households, viewers and adults 25-54, matched season bests in adults 18-49 and adults 18-34.

Compared to the same night last year, CBS has increased its margin of victory against NBC in households (+6.7 from +4.0), viewers (+11.45m from +7.45m), adults 25-54 (+3.9 from +1.9), adults 18-49 (+2.9 from +0.8) and moved into first place in adults 18-34 (+1.6 from -0.6).