Natural World: Season 23
This season started on October 14, 2004. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Cheetahs: Fast Track to Freedom | |
| 2 | Norfolk Broads: The Fall and Rise of a Great Swamp | |
| 3 | Typhoon Island | |
| 4 | Mississippi: Tales of the Last River Rat | |
| 5 | Hammerhead | |
| 6 | The Wild Wood | |
| 7 | Andes: The Dragon's Back · 49 min | |
| 8 | Land of the Falling Lakes | |
| 9 | Echo of the Elephants - The Final Chapter? | |
| 10 | Shark Coast | |
| 11 | Serengeti 24 | |
| 12 | Secrets of the Maya Underworld | |
| 13 | A Boy Among Polar Bears |
