Film critic, Hollywood historian and Turner Classics Movies host Ben Mankiewicz joins Gilbert and Frank to talk about his famous family, the depiction of his grandfather in David Fincher's "Mank," the real authorship of "Citizen Kane" and his well-received TCM podcast "The Plot Thickens." Also, Mickey Rooney finds religion, Harpo Marx attends a seder, Jerry Lewis leaves a mysterious voicemail and Ben remembers the late, great Robert Osborne. PLUS: "Duck Soup"! "Mad Dog of Europe"! Tony Curtis: fashion icon! Kirk Douglas knocks Joseph Mankiewicz! And Ben interviews Sophia Loren, Ernest Borgnine and Max von Sydow! Learn more about your ad choices. Visit megaphone.fm/adchoices