Episode 1
Aired Jan 18, 1994
Codebreakers
World War II code breaking, focusing on the stories of the "Enigma" and "Purple" ciphers and how the Japanese version of the Enigma machine worked.
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Episode 2
Aired Jan 25, 1994
Dinosaurs of the Gobi
The American Museum of Natural History team traces paleontologist Roy Chapman Andrews' 1920 fossil-hunting expedition.
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Episode 3
Aired Feb 1, 1994
Daredevils of the Sky
The U.S. Aerobatic Team's preparation for the 1992 World Aerobatic Championship.
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Episode 4
Aired Feb 8, 1994
Journey to Kilimanjaro
Wildlife flourishes in the volcanic peaks of Kenya, Kilimanjaro and the Aberdares.
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Episode 5
Aired Feb 15, 1994
Can Chimps Talk?
Researchers working with chimps are training them to communicate using human symbols via sign language and computers.
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Episode 6
Aired Feb 28, 1994
In Search of Human Origins
The discovery of an ape's fossilized remains in 1974 changed scientific thinking about evolution.
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Episode 7
Aired Mar 1, 1994
In Search of Human Origins
Early man's small body features forced him to rely on intelligence to find food in other ways than hunting.
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Episode 8
Aired Mar 2, 1994
In Search of Human Origins
Problems created by man's successful transition to hunting caused him to migrate, physically change and act like his modern counterpart.
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Episode 9
Aired Apr 12, 1994
Can China Kick the Habit?
Looks at smoking in China, where Western advertising and trading practices glamorize the practice, and lung cancer cases are straining the health care system.
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Episode 10
Aired Apr 19, 1994
Aircraft Carrier!
This look at life aboard the aircraft carrier USS Independence follows four of its flight crew at the "Top Gun" school in California.
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Episode 11
Aired Oct 11, 1994
The Great Wildlife Heist
U.S. Fish and Wildlife Service agents conduct an undercover investigation of illegal traffickers dealing in parrots.
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Episode 12
Aired Oct 18, 1994
Secret of the Wild Child
Social workers find a teen imprisoned from infancy by her parents.
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Episode 13
Aired Oct 25, 1994
Haunted Cry of a Long Gone Bird
Naturalist Richard Wheeler kayaks the migration route of the extinct auk, a flightless seabird, down the Northeast Atlantic coast.
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Episode 14
Aired Nov 1, 1994
What's New About Menopause?
New research into menopause addresses medical and ethical questions.
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Episode 15
Aired Nov 8, 1994
The Tribe That Time Forgot
A Brazilian Amazonian tribe maintains a primitive culture.
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Episode 16
Aired Nov 15, 1994
Killer Quake!
Scientific efforts to understand the January 1994 Northridge, Calif., earthquake and predict when the Los Angeles basin may be devastated by the "Big One.".
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Episode 17
Aired Nov 29, 1994
Buried in Ash
Dr. Mike Voorhies travels to a north-central Nebraska location where volcanic ash preserved fossils of animals.
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Episode 18
Aired Dec 13, 1994
Rescue Mission in Space
The Hubble space telescope, from its planning to its results.
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Episode 19
Aired Dec 20, 1994
Journey to the Sacred Sea
The people of Siberia refer to Lake Baikal as the "sacred sea."
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Episode 20
Aired Dec 27, 1994
In Search of the First Language
Linguists search for links between languages previously considered unrelated.
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