Meeting of Minds: Season 4 - 6 Episode s
4x1 - Catherine the Great/Oliver Cromwell/Daniel O'Connell, Part 1
March 29, 1981
4x2 - Catherine the Great/Oliver Cromwell/Daniel O'Connell, Part 2
April 5, 1981
4x3 - Leonardo da Vinci/William Blake/Niccolo Paganini, Part 1
April 12, 1981
4x4 - Leonardo da Vinci/William Blake/Niccolo Paganini, Part 2
April 19, 1981
4x5 - Margaret Sanger/Mahatma Gandhi/Adam Smith, Part 1
April 26, 1981
4x6 - Margaret Sanger/Mahatma Gandhi/Adam Smith, Part 2
May 3, 1981