No longer content with relying primarily on shows and movies produced by others, cable TV networks are developing more original programming. Atlanta-based TNT has one show on this list of top performers among 18- to 49-year-olds, a demographic coveted by advertisers.

AMC Walking Dead 12,180,000

HBO Game of Thrones 6,058,000 (Time Warner)

A&E Duck Dynasty 4,698,000

FX American Horror Story 4,619,000

AMC Talking Dead 4,075,000

HBO True Blood 3,368,000 (Time Warner)

VH1 Love and Hip Hop Atlanta 2,984,000

MTV Teen Mom II 2,785,000

Bravo Real Housewives Atlanta 2,742,000

Discovery Gold Rush 2,621,000

FX Strain 2,553,000

VH1 Love and Hip Hop 2,481,000

History Vikings 2,422,000

A&E Bates Motel 2,349,000

E! Keeping Up with the Kardashians 2,327,000

BET Being Mary Jane 2,281,000

TNT The Last Ship 2,272,000 (Time Warner)

A&E Wahlburgers 2,160,000

BET The Game 2,109,000

ABC Family Pretty Little Liars 2,064,000

Source: Turner Broadcasting