The Late Show with Stephen Colbert Season 4 Melissa McCarthy, Phoebe Robinson Season 4, episode 24 Melissa McCarthy, Phoebe Robinson 10.0 / 10 October 15, 2018 45 min Stephen welcomes actress Melissa McCarthy and actress Phoebe Robinson. Previous episode Ellie Kemper, Sam Elliott Next episode Lin-Manuel Miranda, Brooke Baldwin, Laura Benanti