1981 - 1Spend and Prosper Jan. 05, 1981- 1981 - 9Gentlemen, Lift Your Skirts Mar. 09, 1981
- 1981 - 12Did Darwin Get It Wrong? Mar. 30, 1981
- 1981 - 14Resolution on Saturn - The Rings Apr. 11, 1981
- 1981 - 23Death of the Dinosaurs Nov. 16, 1981
- 1981 - 26The Race Against Time Dec. 07, 1981
- 1981 - 27Painting by Numbers Dec. 21, 1981