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Alien Encounters: Nick Sagan & Frank Drake Reunite

Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.


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Alien Encounters: Nick Sagan & Frank Drake Reunite

Recent Videos in National Parks
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Discover National Parks: Going-to-the-Sun Road

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Discover National Parks: Shaped by Glaciers

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