NOVA: Season 4
This season started on January 5, 1977. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Hitler's Secret Weapon · 55 min | |
| 2 | The Hot Blooded Dinosaurs · 55 min | |
| 3 | What Price Coal? · 55 min | |
| 4 | The Sunspot Mystery · 55 min | |
| 5 | The Plastic Prison · 55 min | |
| 6 | Incident at Brown's Ferry · 55 min | |
| 7 | Bye Bye Blackbird · 55 min | |
| 8 | The Pill for the People · 55 min | |
| 9 | The Gene Engineers · 55 min | |
| 10 | The Human Animal · 55 min | |
| 11 | The Wolf Equation · 55 min | |
| 12 | The Dawn of the Solar Age · 55 min | |
| 13 | The Business of Extinction · 55 min | |
| 14 | The Red Planet · 55 min | |
| 15 | Tongues of Men (1) · 55 min | |
| 16 | Tongues of Men (2) · 55 min | |
| 17 | Linus Pauling: Crusading Scientist · 55 min | |
| 18 | Across the Silent Barrier · 55 min | |
| 19 | The New Healers · 55 min |
