The Late Show with Stephen Colbert Season 2 Woody Harrelson, Cobie Smulders, Emmylou Harris & Her Red Dirt Boys Season 2, episode 177 Woody Harrelson, Cobie Smulders, Emmylou Harris & Her Red Dirt Boys July 10, 2017 45 min Previous episode Michael Keaton, John McEnroe Next episode Joe Scarborough, Mika Brzezinski, Andy Serkis