Season 9
21 episodes
1. Seasons in the Sea
53m · Sep 30, 1990
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
2. Monkeys on the Edge
53m · Oct 7, 1990
Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.
3. Scandinavia: Land of the Midnight Sun
53m · Oct 14, 1990
A look at how Norway and Sweden are affected by eight months of winter.
4. Scandinavia: Fresh Waters, Salt Seas
53m · Oct 21, 1990
A look at the Swedish archipelago and Norway's fjords.
5. The Sisterhood
53m · Nov 11, 1990
Africa's spotted hyena is a matriarch dominated, efficient predator.
6. Supersense: Sight and Sound
53m · Nov 18, 1990
Sight and sound are experienced through animal eyes and ears.
7. Supersense: Super Scents and Beyond
53m · Nov 25, 1990
Enhanced olfactory sensitivity; unique animal senses.
8. Supersense: Making Sense
53m · Dec 2, 1990
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
9. Monkey Island
53m · Dec 9, 1990
This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.
10. Grizzly Country
53m · Dec 16, 1990
Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.
11. The Wild Shores of Patagonia
53m · Jan 13, 1991
Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.
12. The Gulf: Portrait of the War Zone
53m · Feb 17, 1991
In light of the Persian Gulf War and the recent oil spills, PBS airs an update of the 1984 episode of Nature, Treasures of the Gulf, that focused on the effects of the Iran-Iraq war on the fragile ecology of the Persian Gulf.
13. One Man's Kenya
53m · Feb 24, 1991
The beauty of the African plains and the effects of tourism on the area.
14. The Elephants of Tsavo: Love and Betrayal
53m · Mar 3, 1991
Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.
15. Grand Teton Wilderness
53m · Mar 10, 1991
The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.
16. Year of the Jackal
53m · Mar 17, 1991
Life within a close-knit golden jackal family on the plains of Lemuta in Africa.
17. Black Bear of the North
53m · Mar 24, 1991
Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.
18. Wild Dogs of Africa
53m · Apr 7, 1991
The relationship within a wild dog pack on Africa's Serengeti Plains.
19. Marathon Bird
53m · Apr 14, 1991
A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.
20. The Cat That Came in From the Cold
53m · Apr 28, 1991
A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.
21. Crown of the Continent: Waterton/Glacier National Park
53m · May 12, 1991
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.