Saison 2
Visuels
| # | Image | Titre | Diffusé |
|---|---|---|---|
| 1 | Why Do Birds Sing? | 3 nov. 1974 | |
| 2 | How Much Do You Smell? | 10 nov. 1974 | |
| 3 | The Hunting of the Quark | 17 nov. 1974 | |
| 4 | The Secrets of Sleep | 24 nov. 1974 | |
| 5 | Inside the Golden Gate | 1 déc. 1974 | |
| 6 | The Men Who Painted Caves | 8 déc. 1974 | |
| 7 | Red Sea Coral | 15 déc. 1974 | |
| 8 | War from the Air | 5 janv. 1975 | |
| 9 | What Time Is Your Body? | 12 janv. 1975 | |
| 10 | The Rise and Fall of DDT | 19 janv. 1975 | |
| 11 | Take the World from Another Point of View | 2 févr. 1975 | |
| 12 | The Lysenko Affair | 9 févr. 1975 | |
| 13 | The Tuaregs | 16 févr. 1975 | |
| 14 | The Plutonium Connection | 9 mars 1975 | |
| 15 | The Other Way | 16 mars 1975 | |
| 16 | The Lost World of the Maya | 30 mars 1975 | |
| 17 | Will the Fishing Have to Stop? | 6 avr. 1975 |