The Greatest Interview Zone Formerly Known As The Axe Body Spray Interview Zone, The Dr. Pepper Interview Quench Zone is where Dr. Colbert nails guests with the balls to show up for a nailing, but without the balls to really take it! The first guest to be nailed in The Dr. Pepper Interview Quench Zone was Lucas ConleyEpisode #430 , who tried to rebrand it with an inferior beverage. Check your local listings.