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Season guide

The Nature of Things: Season 9

14 episodes Premiered Sep 26, 1968 Updated Oct 3, 2026
Previously on The Nature of Things

Season 9 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 The Nature of Things Season 8.
  • ⚡ 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 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

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

Season 9: Filler vs. Essential Canon

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

21%
79%
Mytharc (3): Crucial lore & season climaxes
Core (11): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

Thomas Edison

Sep 26, 1968

Thomas Edison wasn't merely a lone inventful genius. He invented modern research team makes possible technology shaping our world.

S9·E3 Core

Materials

Oct 10, 1968

A review of history of man's oldest materials: wood, stone, iron, bronze and glass.

S9·E4 Core

Structure

Nov 7, 1968

Defying force of gravity, man has strewn his structures across earth. This program looks at some of them.

S9·E5 Core

Communications

Nov 14, 1968

Much of this program deals with basic communications problem of getting a signal through noise.

S9·E6 Core

Canals And Tunnels

Nov 21, 1968

The great engineers of past - men like DE Lesseps of Suez fame and Panama infamy and Bradley - whose canals were arteries of industrial revolution, sacrificed health and fortune, a

S9·E7 Core

Central Power

Nov 28, 1968

One test of civilization is ability to organize sources of energy. Central power was something new in 1876.

S9·E8 Core

Man And Machines

Dec 5, 1968

The Greek inventor, Alexander Hero, first defined five basic devices which make all machines possible: lever, wedge, wheel, pulley and screw.

S9·E9 Core

Land And Water

Dec 12, 1968

This program shows how man changes his environment by shaping land he lives on, reclaiming land from sea, making new lakes and rivers.

S9·E10 Core

Man Aloft

Dec 19, 1968

This film looks, sometimes whimsically, at examples of old and modern flying machines.

S9·E11 Core

Portable Power

Dec 26, 1968

Man's first "portable power" device was part of his own body, energy from contraction of long molecules in presence of sugar: muscle power.

S9·E12 Core

Machines And Man: Transportation

Jan 2, 1969

Are problems of urban transportation insurmountable? The traffic jams which are a regular feature of city life make it appear so.

S9·E13 Mytharc

Machine And Man: Systems Engineering

Jan 9, 1969

A system, according to Oxford dictionary, is a whole composed of parts in orderly arrangement, according to some scheme or plan.

S9·E14 Mytharc

Audubon

Mar 18, 1969

A study of life and work of Jean Jacques Audubon, great painter-naturalist who captured beauty of American wildlife on canvas.

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