When Whales Walked: Journeys in Deep Time

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  • PBS
  • 21
  • Adventure Documentary

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When Whales Walked: Journeys in Deep Time
Episode overview
Discover the evolutionary secrets of some of the world’s most majestic creatures. From voracious crocodiles and acrobatic birds to stupendous whales and majestic elephants, When Whales .. show full overview

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