S9E1 - Seasons in the Sea
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
Sept. 30, 1990, midnight
S9E2 - Monkeys on the Edge
Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.
Oct. 7, 1990, midnight
S9E3 - Scandinavia: Land of the Midnight Sun
A look at how Norway and Sweden are affected by eight months of winter.
Oct. 14, 1990, midnight
S9E4 - Scandinavia: Fresh Waters, Salt Seas
A look at the Swedish archipelago and Norway's fjords.
Oct. 21, 1990, midnight
S9E5 - The Sisterhood
Africa's spotted hyena is a matriarch dominated, efficient predator.
Nov. 11, 1990, midnight
S9E6 - Supersense: Sight and Sound
Sight and sound are experienced through animal eyes and ears.
Nov. 18, 1990, midnight
S9E7 - Supersense: Super Scents and Beyond
Enhanced olfactory sensitivity; unique animal senses.
Nov. 25, 1990, midnight
S9E8 - Supersense: Making Sense
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
Dec. 2, 1990, midnight
S9E9 - Monkey Island
This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.
Dec. 9, 1990, midnight
S9E10 - Grizzly Country
Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.
Dec. 16, 1990, midnight
S9E11 - The Wild Shores of Patagonia
Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.
Jan. 13, 1991, midnight
S9E12 - The Gulf: Portrait of the War Zone
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.
Feb. 17, 1991, midnight
S9E13 - One Man's Kenya
The beauty of the African plains and the effects of tourism on the area.
Feb. 24, 1991, midnight
S9E14 - The Elephants of Tsavo: Love and Betrayal
Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.
March 3, 1991, midnight
S9E15 - Grand Teton Wilderness
The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.
March 10, 1991, midnight
S9E16 - Year of the Jackal
Life within a close-knit golden jackal family on the plains of Lemuta in Africa.
March 17, 1991, midnight
S9E17 - Black Bear of the North
Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.
March 24, 1991, midnight
S9E18 - Wild Dogs of Africa
The relationship within a wild dog pack on Africa's Serengeti Plains.
April 7, 1991, midnight
S9E19 - Marathon Bird
A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.
April 14, 1991, midnight
S9E20 - The Cat That Came in From the Cold
A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.
April 28, 1991, midnight
S9E21 - Crown of the Continent: Waterton/Glacier National Park
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.
May 12, 1991, midnight