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| Season 3 | (Add Episode) |
Episode # ![]() |
Airdate | Title | Rating | |
| 38 | 3x01 | 06/Mar/2006 | Atkins Diet | N/A |
| 25 | 3x02 | 20/Mar/2006 | Death of the Sun | N/A |
| 26 | 3x03 | 29/Mar/2006 | Big Freeze | N/A |
| 27 | 3x04 | 26/Apr/2006 | Roman Tech | N/A |
| 28 | 3x05 | 24/May/2006 | Lightining | N/A |
| 29 | 3x06 | 28/Jun/2006 | The Deep | N/A |
| 30 | 3x07 | 05/Jul/2006 | Explosive Force | N/A |
| 31 | 3x08 | 12/Jul/2006 | Pyramids | N/A |
| 32 | 3x09 | 19/Jul/2006 | Colliding Contients | N/A |
| 37 | 3x10 | 26/Jul/2006 | Volcano Alert | N/A |
| 33 | 3x11 | 06/Sep/2006 | Birth of the Universe | N/A |
| 34 | 3x12 | 20/Sep/2006 | Freeze Me | N/A |
| 35 | 3x13 | 12/Oct/2006 | Forensics Under Fire | N/A |
| 36 | 3x14 | 02/Nov/2006 | Extinctions | N/A |
| 39 | 3x15 | 06/Dec/2006 | Deadliest Planets | N/A |
| 40 | 3x16 | 07/Dec/2006 | Was Darwin Wrong? | N/A |
| 40 | 3x17 | 31/Jan/2007 | Polar Apocalypse | N/A |
| 41 | 3x18 | 21/Feb/2007 | Amazing Planet | N/A |
| 42 | 3x19 | 28/Feb/2007 | Stone Age Apocalypse | N/A |
| 43 | 3x20 | 07/Mar/2007 | Comets | N/A |
| 44 | 3x21 | 14/Mar/2007 | Prehistoric Americans | N/A |
| 45 | 3x22 | 28/Mar/2007 | Deep Space Probes | N/A |
| 46 | 3x23 | 12/Apr/2007 | Dino Meteor | N/A |
| 47 | 3x24 | 21/Apr/2007 | Planet Storm | N/A |
| 48 | 3x25 | 28/Apr/2007 | Killer Lakes | N/A |
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