| 2009 |
Raw Anatomy |
TV Show Series, Narrator |
| 2006 |
THS Investigates: Curse of the Lottery |
Episode, Remarks by |
| 2005 |
Engineering an Empire |
TV Show Series, Narrator |
| 2004 |
National Geographic: Whales in Crisis |
Episode, Panelist |
| 2001 |
National Geographic: The Quest for Noah's Flood |
Episode, Narrator |
| 2001 |
National Geographic: Air Force One |
Episode, Narrator |
| 2001 |
Gold!: The Gold Wars |
Episode, Narrator |
| 2000 |
National Geographic: Return of the Wolf |
Episode, Narrator |
|
National Geographic Explorer: Dinosaur Hunter |
Episode, Narrator |