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Season guide

Natural World: Season 21

15 episodes Premiered Oct 13, 2002 Updated Sep 26, 2026
Previously on Natural World

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 Natural World 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.
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Season 21 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 21 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 21: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

20%
80%
Mytharc (3): Crucial lore & season climaxes
Core (12): Character development & subplots
Side Quest (0): Standalone / filler
S21·E1 Mytharc

Meerkats: Part of the Team

Oct 13, 2002

Documentary following a family of meerkats living in Tswalu National Park in South Africa. The ultimate team players, meerkats survive in harsh conditions by looking out for each o

S21·E2 Core

Danger in Tiger Paradise

Oct 20, 2002

Valmik Thapar returns to Ranthambhore National Park in Rajasthan to witness the progress of Machli, a tigress he has followed for four years. It's been a while since he last saw he

S21·E3 Core

Falklands: Flying Devils

Oct 27, 2002

Film makers Jane Watson and Mark Smith observe a colony of aggressive caracaras, rare birds of prey on a stormy island in the South Atlantic.

S21·E4 Core

The Crossing

Nov 3, 2002

A tense and spectacular drama unfolds as thousands of zebras, wildebeest and gazelles take on hungry crocodiles and lions at the Mara River in Africa.

S21·E5 Core

Death Trap

Nov 17, 2002

The wildlife of the Pacific Coast. Offshore are whales, seals and sharks, on land, grizzlies, and in the air bald eagles. All wait to catch some of the many fish attempting to reac

S21·E6 Core

My Halcyon River

Nov 24, 2002

An idyllic British river: misty dawns, dancing mayflies, lazy trout and fluffy chicks paddling under the watchful gaze of their parents. "My Halcyon River" is an intimate portrait

S21·E7 Core

Killer Ants

Dec 1, 2002

Documentary about predator ants. While big predators bask in their own spotlight, tiny assassins are lurking in the shadows, waiting to attack. The driver ants of Africa can devour

S21·E8 Core

A Life with Cougars

Dec 15, 2002

Canadian wildlife film-makers Jeff and Sue Turner's documentary about the cougar, one of North America's fiercest predators. Jeff and Sue were unaware that they lived among cougars

S21·E9 Core

Cats Under the Serengeti Stars

Jan 1, 2003

Cameras capture the events of a night on the African plains, revealing the fascinating lives of nocturnal creatures from hunting caracals to the complexities of hyena politics.

S21·E10 Core

Wild Women of Viramba

Jan 15, 2003

Almost every day for the past 25 years, the Viramba troop of yellow baboons have been accompanied by scientists in one of the most extensive primate research projects ever conducte

S21·E11 Core

Killer Bees: Taming the Swarm

Jan 19, 2003

Documentary about the Africanised honey bee, a notorious killer bee that has spread across the world causing devastation in the natural world. Is there any way of taming this letha

S21·E12 Core

Highgrove: A Prince's Legacy

Jan 26, 2003

David Attenborough narrates this documentary charting a year in the running of Highgrove, home to the Prince of Wales, who takes an active part in the management of the organic gar

S21·E13 Core

Flying Home

Feb 2, 2003

A look at Operation Migration, a major project aimed at introducing rare whooping cranes back into the eastern USA by rearing chicks in captivity and then sending them out into the

S21·E14 Mytharc

The Elephant, The Emperor and Butterfly Tree

Mar 2, 2003

A startling look at the two most destructive animals in South Africa and how their habits are a story of life, death and cooperation. The elephant, the Emperor Moth and the Mopane

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