How the Earth Works

Asteroid Armageddon

  • Season 1
  • , Episode 2  | 
  • Aired: 10/16/2013
    • Length: 42:58
    • Plays: ???
Synopsis >

Martin and Liz investigate a giant asteroid impact that may have wiped out the Dinosaurs 65 million years ago. Martin experiences the power of a NASA supergun and Liz follows the geological clues to Mexico where she dives an underground river.

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