The Nature of Things: Season 19
This season started on September 24, 1978. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|
| 1 | Evolution Update | |
| 2 | Clockwork Atom | |
| 3 | This Will Do For Today | |
| 4 | Island of Monkeys | |
| 5 | The Dogon | |
| 6 | Toward The Sun | |
| 7 | Portrait Of A Market: Sololá | |
| 8 | Sleep (part 1 of 2) | |
| 9 | Dreams (part 2 of 2) | |
| 10 | Charlie | |
| 11 | The Search | |
| 12 | The Cajuns | |
