Bill Cosby, Brian Williams, No Doubt It's the unofficial Three-Year Anniversary. (The count is 90 morning shows, 1810 Late Nights, and 654 Late Shows.) Dave shows some of his favorite clips, then goes door-to-door in New Jersey with Gene Siskel, Roger Ebert and Richard Simmons. Details Casts Title Bill Cosby, Brian Williams, No Doubt Genres Talk Comedy Release Date 1996-09-06 Episode Runtime 01 Hours 03 Minutes Season Number 4 Episode Number 5 Production Companies Worldwide Pants, CBS Entertainment Productions, CBS Productions, CBS Studios David Letterman Self - Host Paul Shaffer Self -Musical Director Alan Kalter Self - Announcer (voice)