No. of Episodes:

13

Starring :

Valerie Harper

Tony Kahn

Bernard Arcand

Duncan Carse

Beatrix Gardner

Season 1

03/03/1974

Episodes

The Making Of A Natural History Film

Where Did the Colorado Go?

Whales, Dolphins, and Men

The Search For Life

Last of the Cuiva

Strange Sleep

The Crab Nebula

Bird Brain: The Mystery of Bird Navigation

Are You Doing This for Me, Doctor?

The First Signs Of Washoe

The Case of the Midwife Toad

Fusion: The Energy of Promise

The Mystery Of The Anasazi