40. Bölüm: 40. Bölüm

Bölüm Konusu

"The Great Migration" rebroadcasts a looks at a massive animal migration in East Africa. "The Secret Language of Elephants" rebroadcasts a segment on scientists who are trying to understand Elephant speech. "B-Rex" rebroadcasts a profile of a paleontologist who is interested in recreating dinosaurs.