Supported by the National Geographic Society, the world's eminent blue whale scientists embark on a revolutionary mission: They'll find, identify, and tag California blue whales, use the DNA samples to confirm the sex of individual whales, then rejoin the massive creatures' stunning migration when they collect at a chimera known as the Costa Rica Dome.
Top Cast
Scott Baker as Himself - Whale Geneticist
John Calambokidis as Himself - Cascadia Research
Darlene Kenton as Herself - Woods Hle
Bruce Matz as Himself - Marine Mammal Institute
Tom Selleck as Narrator (voice)
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