十个勤天游学再出发！主打“一个都不能少”！这场游学中，内有父母家人，外有新农人朋友，他们会去到更辽阔的地方深耕农业。温情笑闹，知识点满满的游学之路即刻启程。
John Mulaney returns to his Chicago high school with David Letterman as they candidly discuss addiction, fatherhood and the state of stand-up comedy.
