National Geographic Videos - Season 200409

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National Geographic Premiered May 18, 2007 Hasn't Aired

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Episode Guide

  • Killer Asteroid
    Killer Asteroid
    Episode 0914
    9/14/04
    0.0
    What's the deadliest threat to humans? An asteroid tearing through space with the explosive power of 100 million mega-tons of TNT.
  • 8:00 pm
    The Amazing Race 25 All or Nothing
    NEW
    CBS
  •  
    Caught on Camera With Nick Cannon Viral
    NEW
    NBC
  • 9:00 pm
    Dateline NBC In the Dead of Night
    NEW
    NBC
  • 10:00 pm
    20/20
    NEW
    ABC