TV Ratings: 'Shark Tank,' 'Blue Bloods' premieres lead Friday, but 'Amazing Race' craters

Amidst a sea of premieres, Friday quickly returned to business as usual: "Blue Bloods," returning on the low side led CBS to victory overall, while "Shark Tank" and ABC were easily Friday's best among young viewers. However, "The Amazing Race" did weak numbers in its Friday premier.e