NOVA: Season 27
This season started on October 5, 1999. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Fall of the Leaning Tower · 55 min | |
| 2 | Time Travel · 55 min | |
| 3 | The Killer's Trail · 55 min | |
| 4 | Island of the Spirits · 55 min | |
| 5 | Decoding Nazi Secrets · 55 min | |
| 6 | Voyage of Doom · 55 min | |
| 7 | Electric Heart · 55 min | |
| 8 | Tales from the Hive · 55 min | |
| 9 | Lost on Everest · 55 min | |
| 10 | Secrets of Lost Empires: Medieval Siege (1) · 55 min | |
| 11 | Diamond Deception · 55 min | |
| 12 | Secrets of Lost Empires: Pharaoh's Obelisk (2) · 55 min | |
| 13 | Trillion Dollar Bet · 55 min | |
| 14 | Secrets of Lost Empires: Easter Island (3) · 55 min | |
| 15 | Mystery of the First Americans · 55 min | |
| 16 | Secrets of Lost Empires: Roman Bath (4) · 55 min | |
| 17 | Lost Tribes of Israel · 55 min | |
| 18 | Secrets of Lost Empires: China Bridge (5) · 55 min | |
| 19 | What's Up with the Weather? · 55 min | |
| 20 | Stationed in the Stars · 55 min | |
| 21 | The Vikings · 55 min |
