Seasons & episodes

In this two-part series, NOVA investigates the mystery of Easter Island in the South Pacific. Who built its celebrated statues and why?

In the second part of this two-part series, NOVA explores ancient legends hold the clues to the violent history of the South Pacific's Easter Island.

Scientific detectives test their ingenuity in the effort to find underground oil deposits.

Arlo, Nancy and Janice each have a 50/50 chance of developing a devastating nerve disorder. A laboratory test can tell them if in fact they will fall victim. In their shoes, would you take the test? Thousands of others face a similar choice: to know, or not know, if they will carry the genetic time bomb of Huntington's disease. NOVA looks at this incurable disease which affects 20,000 people in the US and threatens tens of thousands of others.

Actor Judd Hirsch narrates this behind-the scenes look at what makes New York City tick. Water, power and waste are the critical systems that usually work, but sometimes break down with disastrous consequences.

In this profile of the former Surgeon General, NOVA follows events as they unfold in a unique behind-the-scenes account of a man who speaks his mind on AIDS, smoking and abortion.

Five architects compete for the approval of architecture-obsessed Chicagoans in the contest to build the city's new public library. NOVA looks at the strengths and weakness of each of the suprisingly varied entries.

The atomic bomb might have ended World War II, but radar was the quiet miracle that won battles. NOVA tells the little-known wartime history of radar.

Biologists around the world gear up to decode the three-billion-letter genetic message that describes how humans are made. Ethicists warn that it may not be such a good idea.

NOVA studies hurricanes—the lurking giants waiting to destroy many coastal areas—by flying straight into one. Scientists hope that such close-up studies will supply the data to make better predictions.

Increasingly awash in high water, the romantic city of Venice is counting on high-tech floodgates to save it from drowning. Environmentalists worry that the gates may destroy the fragile lagoon that surrounds the city.

East and West came into direct conflict over trade and power in the 19th century. The West won. NOVA explores how Japan was later able to master Western methods, while China was not. Part three of a four part series.

The 1988 Yellowstone fire may have been one of the worst in human memory, but nature has had eons of experience with such events. NOVA accompanies scientists who are studying the suprisingly rapid recovery from the blaze.

NOVA re-enacts a classic case of classroom detection when English schoolboys track down a secret Soviet launch site. Docudrama.

NOVA reports on the 100-year-old legacy of pollution from mining that poisons the once-pristine waters of the Rocky Mountain states. Acid Rain and economic development also contribute to stress on the West's scarce water supply.

Using some of the largest machines ever built on earth, American and European physicists race to discover one of the most fundamental and most elusive objects in nature—the top quark.

Sixty-five years after attempts to ban them, chemical weapons pose more of a threat than ever. NOVA looks at the problem of controlling substances that are easily produced and cruelly effective.

NOVA examines an alarming nuclear waste problem at the Hanfrod Nuclear Reservation in eastern Washington state, where 45 years of mismanagement in the nuclear weapons industry will cost billions to correct.

Covering last year's Exxon Valdez oil spill from an unexplored angle, NOVA focuses on how technology failed in preventing, containing and cleaning up the Alaskan disaster.

China in the 13th century was the richest, most powerful, most technologically advanced civilization on earth. NOVA looks at how China achieved what it did, and what in Chinese politics, culture and economy kept it from doing more. Part one of a four part series.

NOVA examines the extraordinary transformation that propelled Europe outward into the world from the 15th to 18th centuries, while China remained the insular middle kingdom. Part two of a four part series.

Ever wonder how junk mail finds you? NOVA investigates the hidden world of direct marketing, pointing out how advertisers know a lot more about us than we think.

NOVA covers China's long road to economic and technological equality with the West, punctuated by frequent setbacks such as the 1989 massacre of pro-democractic demonstrations in Beijing. Part four of a four part series.

This documentary covers the surprising tale of an average systems administrator who stumbled upon a KGB spy operation. Clifford Stoll carried out one of the first successful digital forensics investigations by tracking down Markus Hess, a KGB hacker, after noticing a discrepancy in the logs of a University of California computer.