Below you'll find every episode from all 44 season of NOVA.
To see what is available free to watch, click the 'Episodes on Sources' tab above.
Season 1PBS | Rent or Buy
S01 E01Mar 4, 1974
The Making Of A Natural History Film NOVA premieres on public television with a behind-the-scenes look at the making of a nature film. Oxford Scientific Films Unit shows how it tackles such problems as filming a wood-wasp laying its egg inside trees, the hatching of a chick and the courtship rituals of the stickleback.
S01 E02Mar 11, 1974
Where Did the Colorado Go? NOVA explores the mighty Colorado River which today has become the life-blood of the Southwest, providing water and electricity to the farms and cities of California, Nevada, and Arizona. The program examines the political expediency and technological over-optimism that has led to some major miscalculations of the river's capacity.
S01 E03Mar 18, 1974
Whales, Dolphins, and Men NOVA explores the impact of whaling and the goods it produces for the industry, verses the grace and beatury of this intelligent mammal of the sea.
S01 E04Mar 25, 1974
The Search For Life Does life exist outside this planet? The Viking lander will set down on Mars in July 1976 to try to find out just that. NOVA explores how life started on Earth and examines the Viking Lander being built in its germ-free room before starting its long journey.
S01 E05Apr 1, 1974
Last of the Cuiva How does a primitive nomadic tribe of the Amazon basin cope with the encroachment of Western settlers? NOVA looks at both sides of the story, revealing the misunderstandings between the two cultures.
S01 E06Apr 8, 1974
Strange Sleep Medicine was transformed in the 19th century by the discovery of anesthesia; surgery, until then hasty, bloody and completely unable to deal with internal disorders, subsequently took its place in the front rank of medical practice. This NOVA docudrama depicts the pioneers of medicine.
S01 E07Apr 15, 1974
The Crab Nebula In 1054 AD, the Chinese recorded the explosion of a star so bright that it lit the sky for three weeks, even during the day. It was the explosion of a dying star that was bigger than our sun. NOVA explores this mysterious explosion that led to the discovery of Crab Nebula.
S02 E01Nov 4, 1974
Why Do Birds Sing? NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.
S02 E02Nov 11, 1974
How Much Do You Smell? Many insects and some mammals use smell as a primary means of communication. NOVA explains how, for example, the entire economy of an ant's nest is organized by smell, and how some moths use smell for population control—an ability we is now beginning to understand.
S02 E03Nov 18, 1974
The Hunting Of The Quark Smashing matter into ever smaller pieces in an attempt to find its fundamental building blocks has produced a confused nightmare of particles. NOVA looks at this on-again, off-again story—one of sciences's most mysterious—and, one of the most expensive, involving some of the biggest machines in the world.
S02 E04Nov 25, 1974
The Secrets Of Sleep Most of us spend one-third of our lives in a state of which we understand remarkably little—some people sleep for only a few minutes a night, and function perfectly well, while others declare that eight hours isn't enough. NOVA explores traditional notions about how much sleep we need; looks at effects of the sleeping pill, and, perhaps the most baffling of all aspects of sleep—dreaming.
S02 E05Dec 2, 1974
Inside the Golden Gate NOVA joins a team of U.S. Geological Survey scientists on a mission to find out just how San Francisco Bay works: its physics, its chemistry and its biology.
S02 E06Dec 9, 1974
The Men Who Painted Caves Just why did Cro-Magnon man living in France's Dordogne Valley some 15,000 years ago take time out from the desperate business of survival to paint pictures in inaccessible corners of his cave dwellings? NOVA joins French and American archeologists as they piece together the lifestyle of these hunters of the last great Ice Age, and try to interpret the meaning of their cave art.
S02 E07Dec 16, 1974
Red Sea Coral NOVA joins a group of English biologists living literally on a platform in the middle of the Red Sea, who for several years have been studying the crown-of-thorns starfish, notorious for the devastation it has wrought on the coral reefs of Australia and the Pacific.