Just in time for the new season of It’s Always Sunny in Philadelphia, Charlie Day and Glenn Howerton join Marc to talk about the one-in-a-million origin story of their show. Plus, Charlie recalls how the trajectory of his career was altered by Jason Biggs and Glenn wastes no time trampling over an important boundary in Marc’s house. This episode is sponsored by Stitcher Radio. Click here and use offer code WTF to enter to win an iPad 2.