New findings are challenging the traditional understanding of the first Americans, suggesting they may not have been ancient big game hunters who crossed from Asia via a land bridge.
Aired: Sep 30, 2003A thrilling journey to the Jet Propulsion Laboratory awaits in the next episo...
2. Secrets of the Crocodile Caves
Aired: Oct 7, 2003Northern Madagascar's untamed terrain is showcased in the next episode, featu...
Aired: Oct 28, 2003The next episode explores the incredible diversity of 600 dog breeds, examini...
Aired: Oct 28, 2003In the next episode, a team of scientists embarks on a perilous expedition to...
Aired: Nov 4, 2003Canadian Transportation Safety Board experts meticulously gather evidence to ...
6. Life and Death in the War Zone
Aired: Nov 11, 2003The Iraq War's medical care for injured American soldiers is put under the mi...
Aired: Nov 18, 2003In the next episode, a group of brave scientists embark on a perilous journey...
8. World in the Balance: The People Paradox
Aired: Nov 25, 2003The next episode delves into the stark contrasts between developed and underd...
9. World in the Balance: China Revs Up
Aired: Jan 4, 2004The next episode explores the extraordinary growth of China's economy, as its...
Aired: Jan 20, 2004The next episode delves into the deployment of military technology during the...
Aired: Feb 3, 2004The next episode explores the chaotic dawn of Earth's history, marked by ceas...
Aired: Feb 10, 2004The origin of life on Earth is about to be revealed in a captivating journey ...
13. Origins: Where Are the Aliens?
Aired: Feb 17, 2004The enigma of extraterrestrial life remains, despite the abundance of life-su...
14. Origins: Back to the Beginning
Aired: Mar 2, 2004The next episode delves into the cosmic microwave background's profound secre...
15. The Most Dangerous Woman in America
Aired: Mar 30, 2004In the next episode, a person who is a carrier of typhoid fever is at the cen...
16. America's Stone Age Explorers
Aired: Apr 20, 2004New findings are challenging the traditional understanding of the first Ameri...
Aired: Apr 20, 2004A legendary World War II POW escape is recreated as archaeologists and origin...
18. Ancient Refuge in the Holy Land
Aired: May 4, 2004The next episode delves into the mysteries of an archaeological dig in the Ca...
Main Cast
Guest Starring
Seasons: 52
Current Status: Returning Series
Network: PBS
Production Country: United States
Genres:Documentary
