Norman Reedus and Melissa Suzanne McBride

The Walking Dead returned to record numbers again.

Sunday's Season 4 premiere delivered a whopping 16.1 million viewers, easily trumping its previous all-time series high of 12.4 million for the third season finale. The episode also drew a record 10.4 million in the adults 18-to-49 demographic, eclipsing the Season 3 finale (8.1 million), and was the No. 1 program Sunday night on all of television in the demo. 

The Walking Dead adds Michael Cudlitz, Josh McDermitt

Talking Dead followed with its own premiere high of 5.1 million viewers and 3.3 million in the demo.

"Sincere thanks to the fans, who have welcomed The Walking Dead back for its fourth season with the highest-rated episode in the show's history," AMC President Charlie Collier said in a statement. "We could not be more proud of this show and everyone on both sides of the camera who work so hard to give life to this story of character, leadership and survival."