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| Aflevering | Eerste uitzending |
|---|---|
| S31E01 - Mars: Dead Or Alive | 04/01/2004 |
| S31E02 - Secrets Of The Crocodile Caves | 20/01/2004 |
| S31E03 - Dogs And More Dogs | 03/02/2004 |
| S31E04 - Descent Into The Ice | 10/02/2004 |
| S31E05 - Crash Of Flight 111 | 17/02/2004 |
| S31E06 - Life And Death In The War Zone | 02/03/2004 |
| S31E07 - Hunt For The Supertwister | 30/03/2004 |
| S31E08 - World In The Balance: The People Paradox (1) | 20/04/2004 |
| S31E09 - World In The Balance: China Revs Up (2) | 20/04/2004 |
| S31E10 - Battle Plan Under Fire | 04/05/2004 |
| S31E11 - Origins (1): Earth is Born | 28/09/2004 |
| S31E12 - Origins (2): How Life Began | 28/09/2004 |
| S31E13 - Origins (3): Where Are The Aliens? | 29/09/2004 |
| S31E14 - Origins (4): Back To The Beginning | 29/09/2004 |
| S31E15 - The Most Dangerous Woman In America | 12/10/2004 |
| S31E16 - America's Stone Age Explorers | 09/11/2004 |
| S31E17 - Great Escape | 16/11/2004 |
| S31E18 - Ancient Refuge In The Holy Land | 23/11/2004 |