In this three-part nature series from National Geographic, the most fearsome predators in Africa are studied, with up-close looks at the lion, elephant, hippopotamus, octopus, and other creatures prowling the Dark Continent. In "Killer Tactics," "Lethal Weapons," and "Predator Swarm," these animals are shown making use of their speed and strength to survive among many deadly friends and enemies. 135 min. total. Widescreen (Enhanced); Soundtrack: English; bonus "Big Cat Week" program "Super Cat" (2011).