ALL THREE EDITIONS OF "BIG BROTHER" POST WEEK-TO-WEEK GROWTH

Sunday's Broadcast Hits Summer Highs

"Under the Dome" and "Big Brother" Pace CBS to its Fourth Consecutive Weekly Win in Viewers

CBS Up +4% Vs. Same Week Last Year

All three broadcasts of BIG BROTHER posted week-to-week growth in viewers and key demographics, with Sunday's edition hitting summer highs, according to Nielsen live plus same day ratings for the week ending July 21.

CBS won its fourth consecutive week in viewers with six of the top 10 programs paced by UNDER THE DOME, which posted week-to-week growth in viewers and adults 18-49.

CBS also had four of the top 10 programs in adults 18-49, including all three editions of BIG BROTHER.

Compared to the same week last year, CBS was up +4% in viewers and even in both adults 25-54 and adults 18-49.

For the week in viewers: CBS (5.54m), NBC (4.58m), FOX (4.29m) and ABC (3.67m).

For the week in key demographics, CBS was second in adults 25-54 (1.6/05) and tied for second in adults 18-49 (1.2/04).

CBS Weekly Highlights:

UNDER THE DOME was first in viewers (11.13m), adults 25-54 (3.8/10) and adults 18-49 (2.7/08). Compared to last week, UNDER THE DOME was up +9% in adults 25-54 (from 3.5/09), even in adults 18-49 and added +420,000 viewers (from 10.71m, +4%).

BIG BROTHER WEDNESDAY was first in adults 25-54 (2.6/08), adults 18-49 (2.2/08), adults 18-34 (1.8/07) and second in viewers (6.44m). Compared to last week, BIG BROTHER +4% in adults 25-54 (from 2.5/08), +10% in adults 18-49 (from 2.0/07), +29% in adults 18-34 (from 1.4/05) and added +490,000 viewers (from 5.95m, +8%).

BIG BROTHER THURSDAY was first in viewers (6.70m), adults 25-54 (2.9/08) and adults 18-49 (2.4/08). BIG BROTHER THURSDAY posted season-highs to-date in these measures for any night. Compared to last week's season premiere, BIG BROTHER was up +5% in households (from 4.0/08), +16% in adults 25-54 (from 2.5/07), +14% in adults 18-49 (from 2.1/07) and added +520,000 viewers (from 6.18m, +8%).

BIG BROTHER SUNDAY was first in viewers (6.91m), adults 25-54 (2.9/08) and adults 18-49 (2.5/08). Compared to last Sunday, BIG BROTHER was up +16% in adults 25-54 (from 2.5/07), +19% in adults 18-49 (from 2.1/07) and added +640,000 viewers (from 6.27m, +10%). BIG BROTHER SUNDAY posted this season's best deliveries (on any night) in viewers and adults 18-49 and matched its best deliveries in adults 25-54.

CBS top programs of the week: #2 UNDER THE DOME (an average of 11.13m viewers), #5 NCIS (R) (8.76m), #6 60 MINUTES (R) (7.79m), #8 THE BIG BANG THEORY (R) (7.23m), #9 BIG BROTHER 15 SUNDAY (6.91m), #10 BIG BROTHER 15 THURSDAY (6.70m), #12 BIG BROTHER 15 WEDNESDAY (6.44m), #13 CSI: CRIME SCENE INVESTIGATION (R) (6.17m), #14 TWO AND A HALF MEN (R) (6.16m), #15 NCIS: LOS ANGELES (R) (6.09m), #17 MIKE & MOLLY (R) (5.30m), #20 BLUE BLOODS (R) (5.12m), #24 2 BROKE GIRLS (R) (4.86m), #25 PERSON OF INTEREST TUESDAY (R) (4.86m), #26 CRIMINAL MINDS (R) (4.83m), #27 48 HOURS (R) (4.63m), #29 ELEMENTARY (R) (4.57m) and #30 UNDERCOVER BOSS (R) (4.45m).

Prime averages are based on the following hours of rated broadcasts in Week #43

CBS - 22 hours

NBC - 22 hours

ABC - 22 hours

FOX - 16 hours