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.

Examines the devastating effect that overfishing has had on the world's fish populations and argues that drastic action must be taken to reverse these trends. Examines the imminent extinction of bluefin tuna, brought on by increasing western demand for sushi; the impact on marine life resulting in huge overpopulation of jellyfish; and the profound implications of a future world with no fish that would bring certain mass starvation.

The authorized documentary celebrating the film that redefined Hollywood, 50 years after its premiere. Featuring rare archival footage and interviews with acclaimed Hollywood directors alongside Steven Spielberg, top shark scientists, and conservationists, the film uncovers the behind-the-scenes chaos and how the film launched the summer blockbuster, inspired a new wave of filmmakers, and paved the way for shark conservation that continues today.