Nuclear physicist, Dr. Leo Seren, discusses atomic fission and nuclear experiments.

Captain Cousteau talks about his book and the environmental movement in the United States and elsewhere.

A sprawling conversation with R. Buckminster Fuller including his great aunt Margaret Fuller, future communication, the nature of work, human nature, and physics.

Margaret Mead discusses different cultures, anthropology, and society. Margaret Mead discusses topics such as immigrants, American society, poverty, and population explosion.

Studs Terkel interview with James Cameron, Brittish journalist. They discuss the objective truth and facts of journalism. Cameron shares his experience with a dying Winston Churchill and his views on science and human values. Politics, youth, and the atomic bomb are also topics in this interview. Studs quotes Albert Einstein and Sidney Burnstein, while Cameron quotes Oliver Cromwell. James Cameron's book, "Point of Departure" is also mentioned in the interview.

Discussing the book "America now: The anthropology of a changing culture" with the author-Anthropologist Marvin Harris.

Discussing the book "The legacy of Malthus" with the author Allen Chase.

Roger G. Kennedy discusses the book "Hidden Cities: The Discovery and Loss of Ancient North American Civilization." Includes quotes from the book.

Discussing the book "Missile Envy: The Arms Race and Nuclear War," (published by Murrow) with the author, humanist and physician Dr. Helen Caldicott. Program also includes the opening of Studs' inaugural address.

Discussing Nicaragua with author and activist Dr. Charles Clements.

Interviewing Vietnam veterans and peace activists Dr. Charles Clements and Asa Baber.