THE PREMIERE OF "SURVIVOR: COOK ISLANDS" DELIVERS THE LARGEST AUDIENCE AND HIGHEST RATINGS IN KEY DEMOGRAPHICS FOR A "SURVIVOR" BROADCAST SINCE LAST FEBRUARY

"Survivor: Cook Islands" Dominates Its Time Period While Posting Double Digit Percentage Increases in Key Demos In Its Second Half Hour

"Late Show with David Letterman" Delivers Its Highest Rated Broadcast of the Summer and Tops "The Tonight Show"

"Late Late Show with Craig Ferguson" Matches Its Best Summer Rating

The premiere of SURVIVOR: COOK ISLANDS, the reality series' 13th edition, delivered the largest audience and highest ratings in key demographics for a "Survivor" episode since last February, according to live plus same day preliminary Nielsen ratings for Thursday, Sept. 14.

SURVIVOR: COOK ISLANDS SPECIAL (S) posted a 10.1/17 with 17.71m viewers, 7.7/21 in adults 25-54, 6.3/20 in adults 18-49 and 4.3/15 in adults 18-34 -- all easily winning the 8:00 PM time slot. This is the best delivery for a SURVIVOR episode in viewers, adults 18-34 and adults 25-54 since Feb. 9 and best in adults 18-49 since Feb. 16.

SURVIVOR increased its delivery in the second half-hour: +6% in households (10.4/17 from 9.8/17), +13% in adults 25-54 (8.1/21 from 7.2/21), +14% in adults 18-49 (6.7/20 from 5.9/19), +18% in adults 18-34 (4.7/16 from 4.0/15) and added +1.55m viewers (18.49m from 16.94m, +9%).

Meanwhile, in late night, LATE SHOW with DAVID LETTERMAN, featuring guests Anne Heche, 26-year-old Pittsburgh Mayor Luke Ravenstahl and musical guest The Who, delivered a 4.0/10 in the 55 Nielsen metered markets, its highest rated broadcast of the summer.

Last night's broadcast of LATE SHOW topped "The Tonight Show" by +3% (4.0/10 vs. 3.9/10).

LATE LATE SHOW with CRAIG FERGUSON, with guests Gary Sinise, Whitley Strieber and Chris Isaak, delivered a 1.8/7 in the 55 Nielsen metered markets, matching its best rating of the summer. LATE LATE SHOW tied "Late Night with Conan O'Brien."

Final ratings will be available this afternoon.

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

THE PREMIERE OF "SURVIVOR: COOK ISLANDS" DELIVERS THE LARGEST AUDIENCE AND HIGHEST RATINGS IN KEY DEMOGRAPHICS FOR A "SURVIVOR" BROADCAST SINCE LAST FEBRUARY

"Survivor: Cook Islands" Dominates Its Time Period While Posting Double Digit Percentage Increases in Key Demos In Its Second Half Hour

"Late Show with David Letterman" Delivers Its Highest Rated Broadcast of the Summer and Tops "The Tonight Show"

"Late Late Show with Craig Ferguson" Matches Its Best Summer Rating

The premiere of SURVIVOR: COOK ISLANDS, the reality series' 13th edition, delivered the largest audience and highest ratings in key demographics for a "Survivor" episode since last February, according to Live Plus Same Day National Nielsen ratings for Thursday, Sept. 14.

SURVIVOR: COOK ISLANDS SPECIAL (S) posted a 10.1/17 with 18.00m viewers, 7.8/21 in adults 25-54, 6.5/20 in adults 18-49 and 4.5/16 in adults 18-34 -- all easily winning the 8:00 PM time slot. Last night�s ratings were on par with the premiere of �Survivor: Guatemala� on Sept. 15, 2005, retaining 98% of its viewer and adult 18-49 deliveries, 97% of its adult 25-54 rating and 96% of the adults 18-34 rating. This is the best delivery for a SURVIVOR episode in viewers, adults 18-34, adults 18-49 and adults 25-54 since Feb. 9.

SURVIVOR increased its delivery in the second half-hour: +7% in households (10.5/17 from 9.8/17), +12% in adults 25-54 (8.3/21 from 7.4/21), +13% in adults 18-49 (6.9/20 from 6.1/20), +17% in adults 18-34 (4.8/16 from 4.1/15) and added +1.55m viewers (18.78m from 17.23m, +9%).

Meanwhile, in late night, LATE SHOW with DAVID LETTERMAN, featuring guests Anne Heche, 26-year-old Pittsburgh Mayor Luke Ravenstahl and musical guest The Who, delivered a 4.0/10 in the 55 Nielsen metered markets, its highest rated broadcast of the summer.

Last night's broadcast of LATE SHOW topped "The Tonight Show" by +3% (4.0/10 vs. 3.9/10).

LATE LATE SHOW with CRAIG FERGUSON, with guests Gary Sinise, Whitley Strieber and Chris Isaak, delivered a 1.8/07 in the 55 Nielsen metered markets, matching its best rating of the summer. LATE LATE SHOW tied "Late Night with Conan O'Brien."