Ted Knight is roasted by three of his costars on "The Mary Tyler Moore Show"-Ed Asner, Georgia Engel and Gavin MacLeod. Also on the dais: James Stewart, Harvey Korman, Dr. Renee Richards, Orson Welles, Jimmie Walker, Paul Williams, Jack Carter, Jackie Mason, Julie McWhirter, LaWanda Page, Red Buttons, Foster Brooks and Kelly Monteith.