| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S31E01 | Mars: Dead Or Alive |
January 4, 2004
PBS
|
60 | |
| S31E02 | Secrets Of The Crocodile Caves |
January 20, 2004
PBS
|
60 | |
| S31E03 | Dogs And More Dogs |
February 3, 2004
PBS
|
60 | |
| S31E04 | Descent Into The Ice |
February 10, 2004
PBS
|
60 | |
| S31E05 | Crash Of Flight 111 |
February 17, 2004
PBS
|
60 | |
| S31E06 | Life And Death In The War Zone |
March 2, 2004
PBS
|
60 | |
| S31E07 | Hunt For The Supertwister |
March 30, 2004
PBS
|
60 | |
| S31E08 | World In The Balance: The People Paradox (1) |
April 20, 2004
PBS
|
60 | |
| S31E09 | World In The Balance: China Revs Up (2) |
April 20, 2004
PBS
|
60 | |
| S31E10 | Battle Plan Under Fire |
May 4, 2004
PBS
|
60 | |
| S31E11 | Origins (1): Earth is Born |
September 28, 2004
PBS
|
60 | |
| S31E12 | Origins (2): How Life Began |
September 28, 2004
PBS
|
60 | |
| S31E13 | Origins (3): Where Are The Aliens? |
September 29, 2004
PBS
|
60 | |
| S31E14 | Origins (4): Back To The Beginning |
September 29, 2004
PBS
|
60 | |
| S31E15 | The Most Dangerous Woman In America |
October 12, 2004
PBS
|
60 | |
| S31E16 | America's Stone Age Explorers |
November 9, 2004
PBS
|
60 | |
| S31E17 | Great Escape |
November 16, 2004
PBS
|
60 | |
| S31E18 |
Ancient Refuge In The Holy Land
season finale
|
November 23, 2004
PBS
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.