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Horizon

Documentary

WATCH

Returning Series

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STORYLINE

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

CASTS

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Episode 1

The Intelligence Man

1984-01-09

Episode 2

Microworld!

1984-01-16

Episode 3

A New Green Revolution?

1984-01-23

Episode 4

Spies in the Wires

1984-01-30

Episode 5

Valley of the Inca

1984-02-13

Episode 6

The Conquest of Parasites

1984-02-27

Episode 7

Reflections on a River

1984-03-05

Episode 8

A Normal Face

1984-03-12

Episode 9

Prisoners of Incest

1984-03-19

Episode 10

Signs of the Apes, Songs of the Whales

1984-03-26

Episode 11

Professor Bonner and the Slime Moulds

1984-04-09

Episode 12

The Mind of a Murderer: The Case of the Hillside Strangler

1984-04-16

Episode 13

The Mind of a Murderer: The Mask of Madness

1984-04-23

Episode 14

A Cruel Inheritance

1984-04-30

Episode 15

The Malvern Link

1984-05-07

Episode 16

Contented Cows and Other Animals

1984-11-05

Episode 17

Picking Winners

1984-11-12

Episode 18

The Brain Puzzle

1984-11-19

Episode 19

Global Village

1984-11-26

Episode 20

Ivan

1984-12-03

Episode 21

A Mathematical Mystery Tour

1984-12-10

Episode 22

Supercharged

1984-12-17

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