Planet Earth · SEASON 0
Secrets of the Maya Underworld
Episode 20 · 2005-02-09

- Documentary
Episode overview
The freshwater pools that dot Mexico's Yucatan peninsula were believed by the Mayans to be portals to the underworld. For the first time ever, the BBC Natural History Unit explores this incredible, labyrinthine system of underground rivers.
60 minutes
Season 0 episodes
1. Diaries - Eye in the Sky2006-03-05
2. Diaries - Snow Leopard Quest2006-03-12
3. Diaries - Diving with Piranhas2006-03-19
4. Diaries - Into the Abyss2006-03-26
5. Diaries - Wild Camel Chase2006-04-02
6. Diaries - Alive in the Freezer2006-11-05
7. Diaries - Shot in the Dark2006-11-12
8. Diaries - Trouble in Paradise2006-11-19
9. Diaries - Shark Quest2006-11-26
10. Diaries - Forest Fliers2006-12-03
11. Diaries - Ocean Wanderers2006-12-10
12. The Future: Saving Species2006-11-26
13. The Future: Into the Wilderness2006-12-03
14. The Future: Living Together2006-12-10
15. The Making of Planet Earth2006-10-11
16. Interview with Alastair Fothergill
17. Desert Lions2007-05-30
18. Snow Leopard: Beyond the Myth2008-01-04
19. Great Planet Earth Moments
20. Secrets of the Maya Underworld2005-02-09
21. Elephant Nomads of the Namib Desert2008-03-26
22. Diaries Part I
23. Diaries Part II
24. To the Ends of the Earth