Stand by · pulling the latest frames
Stand by · pulling the latest frames


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.
6.6
Score
16 votes
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Tom Selleck
Narrator (voice)
2015