1. The Making Of A Natural History Film

Mar 3, 1974

2. Where Did the Colorado Go?

Mar 10, 1974

3. Whales, Dolphins, and Men

Mar 17, 1974

4. The Search For Life

Mar 24, 1974

5. Last of the Cuiva

Mar 31, 1974

6. Strange Sleep

Apr 7, 1974

7. The Crab Nebula

Apr 14, 1974

8. Bird Brain: The Mystery of Bird Navigation

Apr 21, 1974

9. Are You Doing This for Me, Doctor?

Apr 28, 1974

10. The First Signs Of Washoe

May 5, 1974

11. The Case of the Midwife Toad

May 12, 1974

12. Fusion: The Energy of Promise

May 19, 1974

13. The Mystery Of The Anasazi

May 26, 1974