Guests celebrate the 100th episode of The Walking Dead and discuss TWD S08E01 "Mercy". This is a two-hour special premiere of Talking Dead live from the Greek Theater in Los Angeles, and featuring an extensive guestlist of current and former cast ... (more)members, as well as executive producers Scott M. Gimple, Robert Kirkman, Greg Nicotero, Gale Anne Hurd, and David Alpert.