As of July 2026, NOVA Season 4 aired in 1977 with 19 episodes — streaming now on Hoopla. Full episode guide and where to watch below.

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NOVA Season 4

1977 19 Episodes Documentary ⭐ 7/10

If you want a documentary that respects its subject, NOVA Season 4 is available on and right now. The show says what it needs to say in a single season, no filler. Its 7/10 TMDB score, built from 140 ratings, reflects a title that consistently delivers. The access the production secured is remarkable, and it does justice to it. Start it whenever you need something guaranteed to land.

Whatever else is competing for your attention this week, NOVA Season 4 is worth clearing space for. NOVA Season 4 approaches its subject with the rigour that makes documentary storytelling worth taking seriously. Season 4 of NOVA includes 19 episodes. It aired from January 1977 to June 1977. Episodes include "Hitler's Secret Weapon", "The Hot Blooded Dinosaurs", "What Price Coal?". It was aired in 1977. Documentary work at this level requires access that is hard to get and storytelling that does justice to it — NOVA Season 4 has both. There is real craft here, even in the moments that do not fully land.

Documentary fans who value serious storytelling will find NOVA Season 4 essential viewing. It stands on its own even without an obvious comparison point. A contained run means every episode is doing real work. The subject drives every choice here, not the other way around. The kind of production you finish and immediately want to read more about.

📡 Where to Watch NOVA Season 4

🇦🇺 Australia

🇺🇸 United States

PBS America Amazon Channel

PBS Documentaries Amazon Channel

🇬🇧 United Kingdom

PBS America Amazon Channel

🇨🇦 Canada

PBS Documentaries Amazon Channel

🇳🇿 New Zealand

🎬 NOVA Season 4 — Episode Guide

Hitler's Secret Weapon

NOVA traces the development of Hitler's V-2 rocket through rare footage obtained from the National Archives—some never broadcast before on television.

The Hot Blooded Dinosaurs

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.

What Price Coal?

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.

The Sunspot Mystery

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.

The Plastic Prison

NOVA follows the lives of three boys who have combined immuned deficiency—a disease that leaves its victims with no immune system.

Incident at Brown's Ferry

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.

Bye Bye Blackbird

NOVA looks at blackbirds, their winter habit of nesting in the millions, and the destruction they do to crops.

The Pill for the People

NOVA profiles chemist Russell Marker who made the birth control pill possible by discovering a synthetic substitute for the hormone progesterone.

The Gene Engineers

NOVA explores the history of genetic engineering and the possible risks and benefits of this area of research

The Human Animal

NOVA investigates the controversial theory of Harvard University biologist E.O. Wilson, that many aspects of human behavior are genetically determined.

The Wolf Equation

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...

The Dawn of the Solar Age

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...

The Business of Extinction

NOVA explores the huge international illegal trade in animals, penetrates the thriving underworld of smugglers and assesses the effects on vanishing wildlife.

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.

Tongues of Men (1)

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.

Tongues of Men (2)

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.

Linus Pauling: Crusading Scientist

NOVA profiles Linus Pauling—the only person to have received two unshared Nobel Prizes for his work in nuclear weapons.

Across the Silent Barrier

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 ...

The New Healers

NOVA explores the delibitating diseases that are often caused by poverty and follows two paths to health care in Tanzania and the United States.

📋 All Seasons of NOVA

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