S18 Episode 1

Return to Mt. St. Helens

NOVA returns to Mount St. Helens a decade after its cataclysmic eruption to learn how nature is recovering from the disaster.

55 mins · Tue, 8 Jan 1991

S18 Episode 2

ConFusion in a Jar

An experiment that could mean limitless supplies of energy sets the scientific world on its head. NOVA covers the cold fusion controversy.

55 mins · Tue, 30 Apr 1991

S18 Episode 3

The Hunt for China's Dinosaurs (1)

NOVA covers the most elaborate expedition ever undertaken in the search for dinosaurs—to China's Gobi desert. Paleontologists brave sandstorms, heat and worse to find their fossils.

55 mins · Tue, 5 Feb 1991

S18 Episode 4

Case of the Flying Dinosaur

Are dinosaurs still among us? NOVA looks at the contentious question of whether present-day birds are dinosaurs. Over the years, new fossil discoveries keep amending the answer.

55 mins · Tue, 12 Feb 1991

S18 Episode 5

T. rex Exposed

Tyrannosaurus rex, the terrifying kind of the dinos, recently turned up in a nearly complete skeleton in Montana. NOVA follows the dig to extract the bones and looks at the science and lore of dinosaurs in general.

55 mins · Tue, 19 Feb 1991

S18 Episode 6

The Russian Right Stuff: The Invisible Spaceman

In the first program of a three-part miniseries on the Soviet space program, NOVA profiles the mysterious genius behind the world's first satellite, the first man to orbit the earth and other early Russian triumphs in space.

55 mins · Tue, 26 Feb 1991

S18 Episode 7

The Russian Right Stuff: The Dark Side of the Moon

NOVA reveals the details of Moscow's secret plan to reach the moon ahead of the Americans. Was Neil Armstrong's "giant leap for mankind" almost upstaged?

55 mins · Wed, 27 Feb 1991

S18 Episode 8

The Russian Right Stuff: The Mission

In an unprecedented insider's look, NOVA covers the training, flight and recovery of a cosmonaut crew that visits the Soviet space station Mir. Unexpected emergencies show that space travel is still far from routine.

55 mins · Thu, 28 Feb 1991

S18 Episode 9

Swimming With Whales

Gregory Peck narrates a scientific voyage around Vancouver Island in search of whales. Humpbacks, Killers, Grays and other whale species make their appearance in spectacular, never-before-seen footage both above and below the waves.

55 mins · Tue, 5 Mar 1991

S18 Episode 10

The Chip vs. the Chess Master

Will machines be able to beat us at our own game? The computer chess champ matches wits with the human world titleholder.

55 mins · Tue, 26 Mar 1991

S18 Episode 11

Sex, Lies and Toupee Tape

NOVA covers the causes and attempted cures of baldness. Some men take pride in their bald heads; others will go to great lengths to cover up. Alan "Douglas Brackman" Rachins of NBC's LA Law hosts.

55 mins · Tue, 1 Oct 1991

S18 Episode 12

So You Want to Be a Doctor?

In a two-hour special, NOVA follows seven aspiring doctors through four years of medical school. The first examination, the anatomy lab, the first death, the first baby-it's all part of becoming a doctor. Neil Patrick Harris, star of ABC's Doogie Howser, MD hosts. (Follow-up to the program 1521 "Can We Make a Better Doctor?")

55 mins · Wed, 9 Oct 1991

S18 Episode 13

Secrets of the Dead Sea Scrolls

Forty years after they were discovered, the Dead Sea Scrolls have yet to be published in their entirety. NOVA looks at the laborious-some say scandalous-process of compiling and releasing this religious treasure.

55 mins · Tue, 15 Oct 1991

S18 Episode 14

Suicide Mission to Chernobyl

NOVA accompanies Soviet scientists on a deadly mission inside the sarcophagus-the massive structure that entombs the Chernobyl nuclear reactor. Will there be another deadly explosion?

55 mins · Tue, 22 Oct 1991

S18 Episode 15

Taller Than Everest?

The tallest mountain in the world? Think again—cartographers had to when satellite date revealed a peak called "K2" might be the real champ. Which is the world's tallest mountain?

55 mins · Tue, 5 Nov 1991

S18 Episode 16

Fastest Planes in the Sky

The fastest machines in the sky are going to be slow stuff when the latest speed demons on the drawing board take to the air. NOVA looks at the intoxicating lure to fly even faster.

55 mins · Tue, 12 Nov 1991

S18 Episode 17

Avoiding the Surgeon's Knife

NOVA follows the efforts of four participants in a celebrated California study to unblock arteries without using drugs or surgery before their heart disease becomes fatal. A studio segment featuring experts with varying medical views will air as part of the 60-minute program. ABC News Medical Correspondent George Strait moderates.

55 mins · Tue, 3 Dec 1991

S18 Episode 18

Skyscraper! A NOVA Special

This 80-minute NOVA pledge special chronicles the building of the Worldwide Plaza, 47-story office tower in midtown Manhattan, from a hole in the ground to a 770-foot skyscraper.

55 mins · Tue, 10 Dec 1991

S18 Episode 19

The Fine Art of Faking It

The spectacular eclipse of 1991 passed over major observatories on the island of Hawaii. NOVA was there for 6 1/2 minutes of frenetic research that revealed new secrets about our sun.

55 mins · Tue, 17 Dec 1991

Season 18

Nova

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Season 18 Episodes

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