| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S2008E13 | First Mariners |
August 28, 2008
National Geographic
|
60 | |
| S2008E20 |
Death of the Universe
season finale
|
October 16, 2008
National Geographic
|
60 |
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No artwork of this type.
No artwork of this type.