Nature: Season 21
Season 21 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Nature Season 20.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 21 Progress Shield
Tall Blondes
Oct 13, 2002 · 53 min
Lynn Sherr, the award-winning correspondent for ABC TV’s 20/20 newsmagazine, went to Africa for the first time in 1973 and fell in love — with giraffes. “They were a dazzling, unex
Horse and Rider
Oct 20, 2002 · 53 min
“Bet Yer Blue Boons” is one of the most agile and intelligent cutting horses in the world, a true champion. “Rio,” a spectacular polo pony, is a gifted athlete able to sprint at 3
Dive to the Abyss
Oct 27, 2002 · 53 min
Dive to the Abyss showcases a group of marine biologists as they explore three different underwater environments.
Bloody Suckers
Nov 17, 2002 · 53 min
A filmmaker goes in search of the scary and fascinating creatures that feed on blood in NATURE's BLOODY SUCKERS.
Trail of the Cougar
Dec 15, 2002 · 53 min
Hunted almost to extinction over the past three centuries, cougars are making a comeback today, with some 30,000 living in the wilds of North and South America. But still they face
Under Antarctic Ice
Jan 12, 2003 · 53 min
On the surface, it's the bleakest of lands, with ferocious winds, flightless birds, and enough ice to flood half the planet's population if it were to melt. But below that frozen m
The Reptiles: Alligators and Crocodiles
Feb 2, 2003 · 53 min
A four-part series on “The Reptiles” begins with “Alligators and Crocodiles.” Included: their sensory systems and intelligence; courtship and mating signals; importance to ecosyste
The Reptiles: Snakes
Feb 9, 2003 · 53 min
A look at snakes. Included: their evolution and movement; how venom works; hunting methods and prey's defenses; venom collectors and experiences with bites; snake charmers; close-u
The Reptiles: Turtles and Tortoises
Feb 16, 2003 · 53 min
Observing turtles and tortoises, the shelled animals that have been on Earth more than 200 million years. Included: problems they face in the modern world. Howard McGillin narrates
The Reptiles: Lizards
Feb 23, 2003 · 53 min
Focusing on several of the over 4000 types of lizards, including the Komodo dragon; sea-feeding marine iguanas; chameleons; venemous gila monsters; and geckos, who defy gravity by
Lost World of the Holy Land
Apr 13, 2003 · 53 min
Animals are a formidable presence in the Bible, which makes reference to more than a hundred species, some metaphorically and others literally. But many of those creatures are gone
Leopards of Yala
Apr 20, 2003 · 53 min
For more than a century, Yala National Park in Sri Lanka has been one of Asia’s most celebrated wildlife preserves, a lush windswept tropical forest rich in rare aquatic birds and
A Mystery in Alaska
May 11, 2003 · 53 min
The Steller’s sea lions that populate the Alaskan coastline are powerful, playful, and sometimes rowdy creatures who bump and jostle each other on land but acquire a sublime gracef
War Wrecks in the Coral Seas
May 18, 2003 · 53 min
Thousands of tons of war wreckage sank into the fabled lagoons of the South Pacific islands during the naval and air battles of World War II. But instead of devastating the region’