John Mulaney returns to his Chicago high school with David Letterman as they candidly discuss addiction, fatherhood and the state of stand-up comedy. br br Watch on Netflix: br br About Netflix: br Netflix is one of the world's leading entertainment services, with 270 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time.