Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Marine biologist and cameraman Rick Rosenthal has been filming in the ocean for decades, but one spectacle has eluded him and other filmmakers, until now. It is a vast "vertical migration" that happens every night, in which billions of animals rise up from the depths. Rosenthal captures the often bizarre and still uncharted life forms that make up the largest animal migration on the planet.
Loading. Please wait...




