Comedy News TV Videos ‘Saturday Night Live’ promo with Louis C.K. and Sam Smith Written by Lena Lamoray on March 29, 2014 Louis C.K. hosts Saturday Night Live with musical guest Sam Smith tonight on NBC. Check out the preview below and don’t miss the star of Louie in action. SNL Promo: Louis C.K. and Sam Smith Related posts:Chicago Fire preview clip - "Leaders Lead" - tonight on NBCShowtime has picked up 'I Love This For You,' starring Vanessa Bayer and Molly ShannonRon Perlman returns to 'The Blacklist' tonight on NBC