Barbara Walters, Rachel Bilson, Kings of Leon Dave demands to be grilled on the annual Barbara Walters Oscar special, but only if he does the interview with Oprah by his side; ""Harold Larkin's Sidewalk Idol"" searches for the next great singing talent; Kings of Leon perform ""The Bucket."" Details Casts Title Barbara Walters, Rachel Bilson, Kings of Leon Genres Talk Comedy Release Date 2005-02-22 Episode Runtime 01 Hours 03 Minutes Season Number 12 Episode Number 105 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)