CBS won the 2012-13 broadcast season in the coveted 18 -49 demo . The win breaks Fox 's 2012-13 winning streak . Fox has led for 2012-13 in total viewers , but the adult demo win is its first in 2012-13 .
CBS won the 2012-13 broadcast season in the coveted 18-49 demo . The win breaks Fox 's eight-year winning streak . CBS has led for years in total viewers , but the adult demo win is its first in 21 years .