"Devillier-Donegan Enterprises," . . "Poisonous animals." . . . . . . . . . . . . . . . . . . . . . . . "Explores the fascinating mysteries of the ocean depths and revels never-before-seen behaviors of its inhabitants."@en . "Nonfiction television programs"@en . "Video recordings for the hearing impaired" . "Video recordings for the hearing impaired"@en . "Documentary television programs"@en . . . . . . . . . . . . . . . . "Documentary films"@en . . . . "Television programs"@en . "Documentary films" . . . "Nonfiction films" . . . . "Explores the fascinating mysteries of the ocean depths. Spectacular underwater sequences by award-winning filmmakers, Howard and Michele Hall, reveal never-before-seen behaviours of sharks, whales, dolphins and even more unusual creatures like wolf eels, demon stingers, and stargazers."@en . "Feature films" . . . . . . "Nature films" . . . . "Explores the fascinating mysteries of the ocean depths. Spectacular underwater sequences by award-winning filmmakers, Howard and Michele Hall, reveal never-before-seen behaviors of sharks, whales, dolphins and even more unusual creatures like wolf eels, demon stingers, and stargazers."@en . "Explores the fascinating mysteries of the ocean depths. Spectacular underwater sequences by award-winning filmmakers, Howard and Michele Hall, reveal never-before-seen behaviors of sharks, whales, dolphins and even more unusual creatures like wolf eels, demon stingers, and stargazers." . . . "Secrets of the ocean realm"@en . . "Secrets of the ocean realm" . . . . "Nature television programs"@en . . "Submarine geology." . . "Marine animals." . . "Underwater photography." . . "Reader's Digest DVD." . . "Oceanography." . . "PBS Home Video," . . "Docstar." . . . . "Howard Hall Productions," . .