Late Night with Seth Meyers Season 3 Sen. John McCain, J.B. Smoove, Lukas Graham Season 3, episode 59 Sen. John McCain, J.B. Smoove, Lukas Graham January 28, 2016 45 min Seth welcomes Senator John McCain, JB Smoove and Lukas Graham. Previous episode Kate Hudson, Jeffrey Dean Morgan, Brian Koppelman Next episode Alan Cumming, Matt Harvey, Alexander Chee