Stephen Colbert announces 'exciting' name as one of his final Late Show guests The Late Show host Stephen Colbert has confirmed a massive interview for the May 5 episode. 24 April 2026 Stephen Colbert will interview Barack Obama on one of his final episodes presenting The Late Show. Stephen Colbert will interview Barack Obama again before The Late Show ends The 61-year-old late night talk show host is preparing for the end of the iconic programme on May 21, but before then he is set for another conversations with the former United States President.