Episode 1
Seasons in the Sea
1990-09-30 • 53 min
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
TV season
1990-09-30
Episode 1
1990-09-30 • 53 min
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
Episode 2
1990-10-07 • 53 min
Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.
Episode 3
1990-10-14 • 53 min
A look at how Norway and Sweden are affected by eight months of winter.
Episode 4
1990-10-21 • 53 min
A look at the Swedish archipelago and Norway's fjords.
Episode 5
1990-11-11 • 53 min
Africa's spotted hyena is a matriarch dominated, efficient predator.
Episode 6
1990-11-18 • 53 min
Sight and sound are experienced through animal eyes and ears.
Episode 7
1990-11-25 • 53 min
Enhanced olfactory sensitivity; unique animal senses.
Episode 8
1990-12-02 • 53 min
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
Episode 9
1990-12-09 • 53 min
This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.
Episode 10
1990-12-16 • 53 min
Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.
Episode 11
1991-01-13 • 53 min
Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.
Episode 12
1991-02-17 • 53 min
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.
Episode 13
1991-02-24 • 53 min
The beauty of the African plains and the effects of tourism on the area.
Episode 14
1991-03-03 • 53 min
Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.
Episode 15
1991-03-10 • 53 min
The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.
Episode 16
1991-03-17 • 53 min
Life within a close-knit golden jackal family on the plains of Lemuta in Africa.
Episode 17
1991-03-24 • 53 min
Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.
Episode 18
1991-04-07 • 53 min
The relationship within a wild dog pack on Africa's Serengeti Plains.
Episode 19
1991-04-14 • 53 min
A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.
Episode 20
1991-04-28 • 53 min
A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.
Episode 21
1991-05-12 • 53 min
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.