13. évad
Képek
| # | Kép | Cím | Bemutató |
|---|---|---|---|
| 1 | Halley's Comet: Once in a Lifetime | 1986. jan. 21. | |
| 2 | Goddess of the Earth | 1986. jan. 28. | |
| 3 | Horsemen of China | 1986. febr. 4. | |
| 4 | Life's First Feelings | 1986. febr. 11. | |
| 5 | The Case of the Frozen Addict | 1986. febr. 18. | |
| 6 | Toxic Trials | 1986. febr. 25. | |
| 7 | Skydive to the Rain Forest | 1986. márc. 4. | |
| 8 | Return of the Osprey | 1986. márc. 11. | |
| 9 | The Rise of a Wonder Drug | 1986. márc. 18. | |
| 10 | When Wonder Drugs Don't Work | 1986. márc. 25. | |
| 11 | Visions of Star Wars | 1986. ápr. 22. | |
| 12 | The Search for the Disappeared | 1986. okt. 14. | |
| 13 | The Planet that Got Knocked on its Side | 1986. okt. 21. | |
| 14 | High-Tech Babies | 1986. nov. 4. | |
| 15 | Can AIDS Be Stopped? | 1986. nov. 11. | |
| 16 | Is Anybody Out There? | 1986. nov. 18. | |
| 17 | Mystery of the Animal Pathfinders | 1986. nov. 25. | |
| 18 | Are You Swimming in a Sewer? | 1986. dec. 2. | |
| 19 | Sail Wars! | 1986. dec. 9. | |
| 20 | Leprosy Can Be Cured! | 1986. dec. 16. |