3/3. Documentary series about the intelligence of dolphins and whales. This part looks at how the sea mammals make sounds to catch food, and sing for music's own sake. Also in HD. [S,AD]
2/3. Documentary focusing on the intelligence of whales and dolphins. Professor Denise Herzing attempts to find out how close their minds are to those of humans. Also in HD. [S,AD]
1/3. Series about whales and dolphins. Explore the ocean's largest creatures - humpback whales, 200-ton feeding blue whales and southern right whales with one-ton testicles. Also in HD. [S,AD]
3/3. Documentary series about the intelligence of dolphins and whales. This part looks at how the sea mammals make sounds to catch food, and sing for music's own sake. [S,AD]
2/3. Documentary focusing on the intelligence of whales and dolphins. Professor Denise Herzing attempts to find out how close their minds are to those of humans. [S,AD]
1/3. Series about whales and dolphins. Explore the ocean's largest creatures - humpback whales, 200-ton feeding blue whales and southern right whales with one-ton testicles. [S,AD]
2/3. Deep Thinkers: Documentary focusing on the intelligence of whales and dolphins. Professor Denise Herzing attempts to find out how close their minds are to those of humans. Also in HD. [AD,S]