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When Whales Could Walk

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

53min20247+

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Audio languages: EnglishEnglish [Audio Description]

Subtitles: English [CC]

Directors: Bella Falk

Producers: Julia Cort Chris Schmidt David Dugan Alan Handel Ernest Webb Linda Ludwick Bella Falk Phillippe Chabot

Cast: Julia Montgomery Brown

Studio: PBS

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