ANOTHER DOMINATING THURSDAY FOR CBS

"Survivor: Panama -- Exile Island" Delivers Its Most Watched Episode Since Early February

"CSI" Rules With 25.8 Million Viewers, Matching the Other Five Networks Combined

"Without a Trace" Uncovers Its Best Ratings Since March in Viewers and Adults 18-49

CBS turned in another dominating Thursday as SURVIVOR: PANAMA -- EXILE ISLAND had its most watched episode since early February, CSI matched the viewership of the other five networks combined and WITHOUT A TRACE had its best ratings since March, according to preliminary Nielsen affiliate ratings for May 4.

SURVIVOR: PANAMA won its time period easily in households (10.1/17), viewers (17.26m), adults 18-34 (3.7/13), adults 18-49 (5.9/18) and adults 25-54 (7.1/20). This is SURVIVOR's best delivery in viewers since 2/9/06.

CSI was first in households (16.1/25), viewers (25.75m), adults 18-34 (6.0/17), adults 18-49 (8.2/21) and adults 25-54 (10.4/24). CSI is in a dead heat with NBC, ABC, FOX, WB and UPN combined in viewers (vs. 25.74m).

WITHOUT A TRACE was first in households (12.8/21), viewers (19.09m), adults 18-34 (4.3/13), adults 18-49 (5.9/16) and adults 25-54 (7.3/18). WITHOUT A TRACE topped "ER" on NBC by +64% in households (vs. 7.8/13), +22% in adults 25-54 (vs. 6.0/15), +16% in adults 18-49 (vs. 5.1/14), +5% in adults 18-34 (vs. 4.1/12) and over +7.25 million viewers (vs. 11.72m, +7.37m or +63%). This is WITHOUT A TRACE's best delivery in households since 3/2/06, in viewers, adults 18-34 and adults 18-49 since 3/9/06 and in adults 25-54 since 4/13/06.

For the night, CBS was first in households (13.0/21), viewers (20.70m), adults 18-34 (4.7/14), adults 18-49 (6.7/18) and adults 25-54 (8.2/21).

Final Thursday ratings will be available this afternoon.

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

ANOTHER DOMINATING THURSDAY FOR CBS

"Survivor: Panama -- Exile Island" Easily Wins Its 8:00 PM Time Slot

"CSI" Rules With 26 Million Viewers, Beating the Other Five Networks Combined

"Without a Trace" Uncovers Its Best Ratings Since March in Viewers and Adults 18-49

CBS turned in another dominating Thursday as SURVIVOR: PANAMA -- EXILE ISLAND easily won its 8:00PM time period, CSI beat the viewership of the other five networks combined and WITHOUT A TRACE had its best ratings since March, according to Live Plus Same Day National Nielsen ratings for May 4.

SURVIVOR: PANAMA won its time period easily in households (9.9/17), viewers (17.04m), adults 18-34 (3.8/13), adults 18-49 (5.9/18) and adults 25-54 (7.1/19). SURVIVOR easily beat NBC and ABC combined in households (vs. 8.5/15, +16%), viewers (vs. 12.18m, +40%), adults 25-54 (vs. 5.3/15, +34%) and adults 18-49 (vs. 4.6/14, +28%).

CSI was first in households (16.2/25), viewers (26.05m), adults 18-34 (6.2/18), adults 18-49 (8.3/22) and adults 25-54 (10.5/25). CSI beat NBC, ABC, FOX, WB and UPN combined in viewers (vs. 25.91m, +1%).

WITHOUT A TRACE was first in households (12.8/21), viewers (19.11m), adults 18-34 (4.3/13), adults 18-49 (5.8/16) and adults 25-54 (7.2/18). WITHOUT A TRACE topped "ER" on NBC by +62% in households (vs. 7.9/13), +20% in adults 25-54 (vs. 6.0/15), +14% in adults 18-49 (vs. 5.1/14), +5% in adults 18-34 (vs. 4.1/13) and over +7.25 million viewers (vs. 11.78m, +7.33m or +62%). This is WITHOUT A TRACE's best delivery in households, viewers, adults 18-34 and adults 18-49 since 3/9/06 and in adults 25-54 since 4/13/06.

For the night, CBS was first in households (13.0/21), viewers (20.77m), adults 18-34 (4.8/15), adults 18-49 (6.7/19) and adults 25-54 (8.3/21).