
Plot
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.
Trailer
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Cast

Scott Baker
Himself - Whale Geneticist

John Calambokidis
Himself - Cascadia Research

Darlene Kenton
Herself - Woods Hle

Bruce Matz
Himself - Marine Mammal Institute

Tom Selleck
Narrator (voice)

Eric Olson
Self - Scripps

Stephen R. Palumbi
Self - Whale Geneticist

Gisli Vikingson
Self