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.
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
