Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

Donald C. Johansonas Self
George Pageas Narrator (voice), Host
Liev Schreiberas Narrator (voice)
Jason O'Maraas Narrator (voice)
Howard McGillinas Narrator (voice)
F. Murray Abrahamas Narrator (voice)
Linda Huntas Narrator (voice)
Stockard Channingas Narrator (voice)
Allison Argo
Dereck Joubert
Jessica Honor Carleton
John Downer
Ben Wallis
Martin Dohrn
Ben Masters
Mark Fletcher
Brian Bennett
Lenny Williams
William Goodchild