The Nature of Things: Season 45
This season started on September 16, 2004. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Sex, Lies and Secrecy: Dissecting Hysterectomy | |
| 2 | Terrible Lizards of Oz | |
| 3 | Selling Sickness | |
| 4 | Arktika: The Russian Dream That Failed | |
| 5 | Shipbreakers | |
| 6 | Clot Busters | |
| 7 | Killed By Care: Making Medicine Safe | |
| 8 | Tale of a Tiny Bird | |
| 9 | Apocalypse Cow: The Mad Cow Story (Part 1) | |
| 10 | Apocalypse Cow: The Mad Cow Story (Part 2) | |
| 11 | Bhopal: The Search for Justice | |
| 12 | Forbidden Forest | |
| 13 | Passion & Fury: The Emotional Brain: Anger | |
| 14 | Passion & Fury: The Emotional Brain: Love | |
| 15 | Passion & Fury: The Emotional Brain: Fear | |
| 16 | Passion & Fury: The Emotional Brain: Happiness | |
| 17 | Fighting Fire with Fire | |
| 18 | Being Caribou: Part 1 | |
| 19 | Being Caribou: Part 2 | |
| 20 | Whale Mission: The Last Giants | |
| 21 | Whale Mission: Keepers of Memory | |
| 22 | Origins of Human Aggression: The Other Story | |
| 23 | Five Seasons |
