Invasion of the Sea Pickles (Encore - 2/5/18)

What in the world is a Sea Pickle? Where in the world can you find them? And Why in the world do scientists refer to them as the 'Unicorn of the Sea?' Join Mindy Thomas and Guy Raz for latest Who, What, When, Where, Why, How, and WOW in the world of Sea Pickles! Originally aired August 28, 2017.

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