AMC's "The Walking Dead," based on the ongoing Image Comics series of the same name by Robert Kirkman and Charlie Adlard, closed out its fifth season with an estimated 15.8 million viewers, Variety reports.

"Conquer," the season five finale, had the third largest viewership in the show's history, just behind the season four finale and the season five premiere. It showed the strongest response in the adults 18-49 demographic, which largely accounted for its 8.2 rating.

Overall, the show averaged a 7.3 rating among adults 18-49 and 14.2 million viewers this season, which is an increase from the two previous seasons. "The Walking Dead" outdid its competitors in that time bloc, outperforming shows ABC's "Secrets and Lies" and Fox's "The Last Man on Earth" by as much as six times over.

Likewise, "The Talking Dead" -- which airs immediately following "The Walking Dead" -- clocked in its highest rated finale ever with a 3.9 rating in adults 18-49 and 7.5 million viewers overall.