Plot: Ellen can't stop laughing whenever HOWIE MANDEL stops by! The outrageous guy knows how to have fun -- even if it means walking around the stage in a giant, hermetically sealed inflatable ball! The unpredictable guy is here to tell Ellen about the new season of "America's Got Talent. " Howie isn't the only outrageous guest on the show -- the absolutely hilarious KYM DOUGLAS is dropping by