Is "The Walking Dead" Losing Its Luster with Audiences?

"The AMC drama is showing signs of age in season eight, but it's still TV's biggest hit with adults 18-49.

Basic cable's crown jewel, 'The Walking Dead,' premiered its eighth season Sunday night. And while it's ratings heyday is now behind it, the zombie drama still obliterated all but the NFL in its return."

Read more at The Hollywood Reporter.