Mothership Replay: Rob McElhenney of 'Mythic Quest' and 'It's Always Sunny in Philadelphia' joins the show

The Mothership by Gannett Media / Consumer Products

Rob McElhenney discusses "Mythic Quest: Raven's Banquet" and walks us through the process of choosing the right cast members, the hardship of pegging comedy for different audiences and compares the new show to "It's Alwa...View more