'Undercover Boss' Rules Sunday, Big Ratings for CBS

"Undercover Boss" is the Night's Top Program in Viewers and Key Demos

"The Amazing Race" Wins its Time Period in Key Measures

CBS Sweeps Sunday for the Fourth Consecutive Week

UNDERCOVER BOSS was Sunday's top program in viewers and key demos and THE AMAZING RACE won its time period in key measures as CBS won its fourth consecutive Sunday in viewers and key demographics, according to Nielsen preliminary live plus same day ratings for April 4.

THE AMAZING RACE 16 (S) was first in households (5.2/09), viewers (9.14m), adults 25-54 (3.6/10) and adults 18-49 (2.7/08).

UNDERCOVER BOSS (S) was first in households (7.3/12), viewers (12.86m), adults 25-54 (4.9/12), adults 18-49 (3.9/10) and adults 18-34 (2.5/08) and was the night's top program in all of these measures.

COLD CASE (S) was first in households (6.3/11) and viewers (10.15m); the show was second in both adults 25-54 (3.1/08) and adults 18-49 (2.3/06).

For the night, CBS was first in households (6.1/11), viewers (10.12m), adults 25-54 (3.4/09) and adults 18-49 (2.6/08).

Editor's Note: Due to the Easter Sunday holiday, all of CBS's primetime programs were specials.