Before getting into "The Limitless Sh*t," Episode 7 of 'Billions' Season 5, cocreators Brian Koppelman and David Levien discuss the concept of high-end mental-performance-enhancing drugs; the difficult editing required to pivot into a midseason finale; crew superstars, including the line...

Before getting into "The Nordic Model," S5E6 of 'Billions,' cocreators Brian Koppelman and David Levien discuss the real billionaire art community, this episode's director Shaz Bennett, script-to-screen changes in location, the show's stellar sound department, revealing the layers of Chuck Rhodes...