NOVA: Season 4

Episode 1: Hitler's Secret Weapon 1977-01-05 | 55 min NOVA traces the development of Hitler's V-2 rocket through rare footage obtained from the National Archives—some never broadcast before on television.

Episode 2: The Hot Blooded Dinosaurs 1977-01-12 | 55 min If you were a dinosaur scientist, what would you do with a pile of fossil bones? How would you even start to put the giant jigsaw puzzle together, never mind discover anything about how these dinosaurs lived? NOVA explores the incredible world of the dinosaur scientist.

Episode 3: What Price Coal? 1977-01-19 | 55 min What is the price we are prepared to pay for coal? NOVA looks at the environmental and health safety issues raised by the government, industry, and the victims.

Episode 4: The Sunspot Mystery 1977-02-02 | 55 min NOVA explores the research on the 1976 drought in the western United States which led some solar scientists to discover the link between weather patterns and the 11 year sunspot mystery.

Episode 5: The Plastic Prison 1977-02-09 | 55 min NOVA follows the lives of three boys who have combined immuned deficiency—a disease that leaves its victims with no immune system.

Episode 6: Incident at Brown's Ferry 1977-02-23 | 55 min NOVA recreates March 1975 at Brown's Ferry, an Alabama nuclear power plant—the largest in the world—that suffered a seven-hour fire which came very close to developing into a major public disaster.

Episode 7: Bye Bye Blackbird 1977-03-02 | 55 min NOVA looks at blackbirds, their winter habit of nesting in the millions, and the destruction they do to crops.

Episode 8: The Pill for the People 1977-03-09 | 55 min NOVA profiles chemist Russell Marker who made the birth control pill possible by discovering a synthetic substitute for the hormone progesterone.

Episode 9: The Gene Engineers 1977-03-16 | 55 min NOVA explores the history of genetic engineering and the possible risks and benefits of this area of research

Episode 10: The Human Animal 1977-03-23 | 55 min NOVA investigates the controversial theory of Harvard University biologist E.O. Wilson, that many aspects of human behavior are genetically determined.

Episode 11: The Wolf Equation 1977-03-30 | 55 min In the winter of 1976-77, 80 percent of the wolf population in Northwest Alaska was the target of aerial hunts. Although the area is roamed by the Western Arctic caribou herds—a natural predator of the wolf—the caribou population has been steadily decreasing in number. NOVA examines how the Dept. of Fish and Game is handling the the problem of wolf control.

Episode 12: The Dawn of the Solar Age 1977-04-20 | 55 min Solar energy is increasingly popular as a home heating source. But only recently has it been seriously considered as a source of industrial power. NOVA looks at this new industrial approach, such as the use of a huge windmill in Ohio, giant machines that may generate electricity from the heat of the tropical seas or from the motion of waves, and an orbiting solar power station able to beam microwaves to earth.

Episode 13: The Business of Extinction 1977-04-20 | 55 min NOVA explores the huge international illegal trade in animals, penetrates the thriving underworld of smugglers and assesses the effects on vanishing wildlife.

Episode 14: The Red Planet 1977-04-27 | 55 min NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could support life. Questions raised by NASA's 1976 Viking mariner missions about how the vast canyons were formed are also explored.

Episode 15: Tongues of Men (1) 1977-05-11 | 55 min In part one of this two-part exploration of the diversity of world languages, NOVA examines how and why the bewildering confusion of languages came about.

Episode 16: Tongues of Men (2) 1977-05-18 | 55 min In part two of this two-part series on the diversity of language, NOVA explores how man has coped with the confusion of language and asks if the growing acceptance of English is the answer.

Episode 17: Linus Pauling: Crusading Scientist 1977-06-01 | 55 min NOVA profiles Linus Pauling—the only person to have received two unshared Nobel Prizes for his work in nuclear weapons.

Episode 18: Across the Silent Barrier 1977-06-22 | 55 min NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil—a woman record-holding speed car racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries—a factory in Los Angeles founded by a deaf man.

Episode 19: The New Healers 1977-06-29 | 55 min NOVA explores the delibitating diseases that are often caused by poverty and follows two paths to health care in Tanzania and the United States.

NOVA: Season 4

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