National Geographic Documentaries - Evolutions: The Walking Whale

Seizoen: 5 - Aflevering: 16 / 146 - Eerst uitgezonden: Onbekend - Episode ID: 413538

50 million years ago, a hungry land animal waded in shallow sea water. Four million years later, it lived permanently in the oceans and seas of planet earth. Using cutting edge CGI, this film follows the extraordinary evolution of a land animal into the modern whale.