S13 · E02

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S13 · E02

Intimate Strangers

Jan 12, 19761h

This episode of Horizon is about symbiosis - the close association between two or more species for their mutual benefit.

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Episodes

King Coal Revived

Feb 2, 1976 · 1h

S13 · E06

A Question of Trust

Feb 9, 1976 · 1h

S13 · E07

The Case of the Bermuda Triangle

Feb 16, 1976 · 1h

S13 · E08

The Lords of the Labyrinth

Feb 23, 1976 · 1h

S13 · E09

Inside the Shark

Mar 1, 1976 · 1h

S13 · E10

The Chemical Dream

Mar 8, 1976 · 1h

S13 · E11

The Edelin Affair

Mar 15, 1976 · 1h

S13 · E12

The World of Margaret Mead

Mar 22, 1976 · 1h

S13 · E13

The Pathway from Madness

Mar 29, 1976 · 1h

S13 · E14

Geronimo's Children

Apr 5, 1976 · 1h

S13 · E15

The Vision of the Blind

Apr 12, 1976 · 1h

S13 · E16

A Lesson for Teachers

Apr 26, 1976 · 1h

S13 · E17

Why Did Stuart Die?

May 3, 1976 · 1h

S13 · E18

The Children of Peru

May 17, 1976 · 1h

S13 · E19

Dying

May 24, 1976 · 1h

S13 · E20

A Home Like Ours... A Story of Four Children

Jun 7, 1976 · 1h

S13 · E21

What's Wrong with the Sun?

Jun 14, 1976 · 1h

S13 · E22

The Bull's Eye War

Oct 25, 1976 · 1h

S13 · E23

The Hot-Blooded Dinosaurs

Nov 1, 1976 · 1h

S13 · E24

Billion Dollar Bubble

Nov 8, 1976 · 1h

S13 · E25

The Selfish Gene

Nov 15, 1976 · 1h

S13 · E26

A Child of Our Own

Nov 22, 1976 · 1h

S13 · E27

Secrets of a Coral Island

Nov 29, 1976 · 1h

S13 · E28

The Long Valley

Dec 6, 1976 · 1h

S13 · E29

Half-Way to 1984

Dec 13, 1976 · 1h

S13 · E30

The Mystery of King Arthur and His Round Table

Dec 20, 1976 · 1h

Intimate Strangers

Episodes

The Transplant Experience