| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Aquariums |
July 27, 1998
History
|
||
| S04E02 | Las Vegas Hotels |
August 3, 1998
H2
|
44 | |
| S04E03 |
The Great Bridge: 8 Miles of Steel
season finale
|
February 23, 2005
H2
|
44 | |
| S04E04 |
Transatlantic Cable
season finale
|
August 17, 1998
History
|
44 | |
| S04E06 | Plumbing: The Arteries of Civilization |
September 2, 1998
H2
|
44 | |
| S04E07 | U.S. Mints: Money Machines |
September 10, 1998
H2
|
44 | |
| S04E08 | Helicopters |
September 14, 1998
H2
|
44 | |
| S04E09 | World's Fair: Visions of the Future |
September 24, 1998
H2
|
44 | |
| S04E10 | Antibiotics |
September 28, 1998
H2
|
44 | |
| S04E12 | Medical Imaging: The Voyage Inward |
October 28, 1998
H2
|
44 | |
| S04E13 | Extreme Sports Gadgets |
October 4, 1998
H2
|
44 | |
| S04E14 | Bombs |
May 13, 1999
H2
|
44 | |
| S04E15 | Firefighting: The Arson Detectives |
November 17, 1998
H2
|
44 | |
| S04E16 | Prosthetics |
November 23, 1998
H2
|
44 | |
| S04E17 | Firefighting! Containing the Demon |
December 7, 1998
H2
|
44 | |
| S04E18 | Weather Prediction |
December 7, 1998
H2
|
44 | |
| S04E19 | Firefighting! Extreme Conditions |
December 8, 1998
H2
|
44 | |
| S04E20 | Plastics |
December 14, 1998
H2
|
44 | |
| S04E21 | Stereos |
December 16, 1998
History
|
46 | |
| S04E22 | Mail Delivery: Erasing the Miles |
December 23, 1998
H2
|
44 | |
| S04E23 |
Clocks
season finale
|
December 28, 1998
H2
|
44 | |
| S04E24 | Air Force One: A History |
January 1, 1997
H2
|
44 | |
| S04E25 | The NYC Subway |
January 6, 1999
H2
|
44 | |
| S04E26 | Airships |
January 18, 1999
H2
|
44 | |
| S04E27 | The Quest for Health |
January 25, 1999
H2
|
44 | |
| S04E28 |
History of Tall Buildings
season finale
|
February 8, 1999
H2
|
44 | |
| S04E29 |
Engineering Disasters
season finale
|
February 22, 1999
H2
|
44 |
No artwork of this type.
No artwork of this type.
No artwork of this type.