News TV Videos Louis C.K. hosts an all-new SNL with musical guest Fun Written by Shawn Marazine on October 31, 2012 SNL Promo: Louis C.K. Louis hosts an all-new SNL with musical guest Fun. Related posts:'Constantine' preview and digital exclusive'Fargo' preview and behind-the-scenes clips'Grimm' and 'Hannibal' preview clips - Michael Pitt guest stars on 'Hannibal'