Television News Michael Phelps named guest host of 'Saturday Night Live' premiere 08/28/2008 U.S. Olympic swimming champion Michael Phelps is to act as host of the 34th season premiere of "Saturday Night Live," NBC announced. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Lil Wayne Michael Phelps Saturday Night Live