Name: Walking with Beasts (2001), Rating: 8.5/10, IMDB link

Where _Walking With Dinosaurs (1999) (TV)_ took us through the Triassic, Jurassic and Cretaceous Eras, Walking With Prehistoric Beasts examines the various Cenozoic eras, when mammals began to dominate after the massive late Cretaceous extinction that killed 65% of life on Earth, including the dinosaurs.