Heroes of the High Frontier
National Geographic Channel Specials: Season 1: Episode 4
Season 1 Episodes
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S1:E22. Inca Mummies: Secrets of a Lost Empire
Air Date: unknown
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S1:E21. Survive the Sahara
Air Date: unknown
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S1:E20. The Body Changers
Air Date: unknown
Seasons & Episodes
- Series Overview
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Season 14
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Season 14 Overview
Air Date: September 10, 1965
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Season 14 Overview
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Season 13
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Season 13 Overview
Air Date: September 10, 1965
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Season 13 Overview
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Season 12
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Season 12 Overview
Air Date: September 10, 1965
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Season 12 Overview
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Season 11
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Season 11 Overview
Air Date: October 28, 1975
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Season 11 Overview
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Season 10
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Season 10 Overview
Air Date: March 15, 1974
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Season 10 Overview
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Season 9
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Season 9 Overview
Air Date: February 15, 1973
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Season 9 Overview
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Season 8
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Season 8 Overview
Air Date: January 12, 1972
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Season 8 Overview
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Season 7
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Season 7 Overview
Air Date: February 13, 1971
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Season 7 Overview
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Season 6
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Season 6 Overview
Air Date: April 14, 1970
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Season 6 Overview
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Season 5
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Season 5 Overview
Air Date: February 18, 1969
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Season 5 Overview
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Season 4
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Season 4 Overview
Air Date: April 16, 1968
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Season 4 Overview
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Season 3
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Season 3 Overview
Air Date: September 10, 1965
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Season 3 Overview
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Season 2
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Season 2 Overview
Air Date: September 10, 1965
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Season 2 Overview
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Season 1
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Season 1 Overview
Air Date: September 10, 1965
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S1:E22. Inca Mummies: Secrets of a Lost Empire
Air Date: unknown
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S1:E21. Survive the Sahara
Air Date: unknown
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S1:E20. The Body Changers
Air Date: unknown
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S1:E19. Trails of Cougar
Air Date: unknown
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S1:E18. Tiger Shark
Air Date: unknown
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S1:E17. The Body Snatchers
Air Date: unknown
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S1:E16. Giants of Etosha
Air Date: unknown
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S1:E15. Rhythms of Life
Air Date: unknown
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S1:E14. Inside the Vatican
Air Date: November 21, 2001
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S1:E13. Elephant Power
Air Date: unknown
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S1:E12. Asteroids: Deadly Impact
Air Date: unknown
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S1:E11. Lost Kingdom of the Maya
Air Date: unknown
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S1:E10. Tropic Gothic
Air Date: unknown
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S1:E9. Keepers of the Wild
Air Date: unknown
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S1:E8. Disaster!
Air Date: unknown
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S1:E7. Panama Wild
Air Date: unknown
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S1:E6. Lions of Darkness
Air Date: unknown
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S1:E5. King Cobra
Air Date: unknown
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S1:E4. Heroes of the High Frontier
Air Date: unknown
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S1:E3. Africa's Deadly Dozen
Air Date: unknown
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S1:E2. Eternal Enemies, Lions and Hyenas
Air Date: unknown
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S1:E1. Americans on Everest
Air Date: September 10, 1965
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Season 1 Overview