KernenTalkingDeadWho knew? CNBC’s Joe Kernen likes zombies. So much so that the “Squawk Box” co-host was a guest on last night’s “Talking Dead,” the live talk show that follows AMC’s “Walking Dead.”

Instead of talking about market moves, jobs data and M&A activity, Kernen geeked out the plot twists and distorted characters of the blockbuster AMC show. At one point he questioned the believability of one storyline: “I believe in all the zombies, but I have trouble with, where did they get the milk?” “Why don’t you keep those hard-hitting questions for ‘Squawk Box,’” host Chris Hardwick¬†shot back.

“Walking Dead,” currently cable’s No. 1 show, draws more than 15 million viewers on Sunday nights. “Talking Dead,” meant for super fans of the show, breaks down that night’s episode. More than a third of the audience sticks around for “Talking Dead,” which last Sunday drew 5.8 million viewers. For comparison, that’s what the “Today” show averages in a good week.