Season 6
Episodes
1. Mystery of The Disembodied Feet
2009-10-27
No overview available.
2. Inside LSD
2009-11-03
No overview available.
3. Secret History of Diamonds
2009-11-10
No overview available.
4. 24 Hours After Asteroid Impact
2009-11-17
No overview available.
5. Nazi Mystery: Twins from Brazil
2009-11-24
No overview available.
8. 25 Years
2010-04-19
No overview available.
9. Journey to an Alien Moon
2010-04-20
No overview available.
10. Fatal Insomnia
2010-04-27
An extremely rare genetic disease passed down through generations, fatal familial insomnia's (FFI) primary symptom is sleeplessness, but with a fatal twist: victims are dead within months. National Geographic delves into the science of sleep to find out why we need sleep and what happens to us when we don't get it. Witness the pioneering research inside the sleeping brain as well as the mind forbidden to rest for days at a time.
11. Talibanistan
2010-06-08
No overview available.
12. Electronic Armageddon
2010-06-15
No overview available.
13. Inside the DEA
2010-08-10
No overview available.
14. 24 Hours After Hiroshima
2010-08-17
No overview available.
15. Albino Murders
2010-08-24
No overview available.
16. Inside Bioterror
2010-08-31
No overview available.
17. Can the Gulf Survive?
2010-09-28
No overview available.
18. Lost Mummies of New Guinea
2010-11-16
No overview available.
19. How Man Tamed the Wild
2010-11-23
No overview available.
20. Born to Rage?
2010-12-14
No overview available.
21. American Hostage
2011-01-17
No overview available.
22. Lost Cannibals of Europe
2011-01-24
No overview available.
23. How to Build a Beating Heart
2011-02-07
No overview available.
24. Clash of the Americas
2011-02-14
No overview available.
25. Finding the Lost da Vinci
2012-03-18
Leonardo da Vinci's "The Battle of Anghiari" vanished 500 years ago, with only copies rendered by other artists left behind to confirm its existence. Scientist and art enthusiast Maurizio Seracini, has dedicated 36 years to tracking down the missing mural, and seems to be on the verge of uncovering the hidden fresco behind the walls of the Palazzo Vecchio in Florence, Italy.
26. The Man Who Can Fly
2012-02-12
No overview available.
27. Fighting ISIS
2016-03-05
National Geographic writer Neil Shea travels to the heart of Kurdistan on a quest to meet the Kurdish fighters on the front lines against the world's biggest terrorist threat, ISIS.