★ 6.6
★ 4.2
★ 0.0
★ 5.0
★ 7.3
★ 5.8
★ 5.1
★ 8.0
★ 7.4
★ 6.3
★ 6.9
★ 7.6
★ 7.0
★ 6.7
Pre-historic giants roam the world's oceans. Go beneath the surface of the sea for an extraordinary look & listen at these majestic creatures, as we explore their social behavior & hunting strategies.