Before diving into S5E2, “The Chris Rock Test,” 'Billions' cocreators Brian Koppelman and David Levien discuss some parallels between ‘Billions’ and real-life billionaire behavior as well as how the location manager and prop master truly shined in Season 5's second episode (0:30). Then they talk to Corey Stoll, who plays Michael Prince, about his character, joining an already established show, learning from his castmates, filming at Mohonk Mountain House, and more (36:40).