Nature: Season 9 Episode 8
Supersense: Making Sense (3)
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
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9 - 1Seasons in the Sea Sep. 30, 1990- 9 - 2Monkeys on the Edge Oct. 07, 1990
- 9 - 3Scandinavia: Land of the Midnight Sun (1) Oct. 14, 1990
- 9 - 4Scandinavia: Fresh Waters, Salt Seas (2) Oct. 21, 1990
- 9 - 5The Sisterhood Nov. 11, 1990
- 9 - 6Supersense: Sight and Sound (1) Nov. 18, 1990
- 9 - 7Supersense: Super Scents and Beyond (2) Nov. 25, 1990
- 9 - 8Supersense: Making Sense (3) Dec. 02, 1990
- 9 - 9Monkey Island Dec. 09, 1990
- 9 - 10Grizzly Country Dec. 16, 1990
- 9 - 11The Wild Shores of Patagonia Jan. 13, 1991
- 9 - 12The Gulf: Portrait of the War Zone Feb. 17, 1991
- 9 - 13One Man's Kenya Feb. 24, 1991
- 9 - 14The Elephants of Tsavo: Love and Betrayal Mar. 03, 1991
- 9 - 15Grand Teton Wilderness Mar. 10, 1991
- 9 - 16Year of the Jackal Mar. 17, 1991
- 9 - 17Black Bear of the North Mar. 24, 1991
- 9 - 18Wild Dogs of Africa Apr. 07, 1991
- 9 - 19Marathon Bird Apr. 14, 1991
- 9 - 20The Cat That Came in From the Cold Apr. 28, 1991
- 9 - 21Crown of the Continent: Waterton/Glacier National Park May. 12, 1991
