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Watching: Horizon
7.4•1964-02-04•62 Seasons
Season 21
Episode 1
Seasons
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Episodes
EP 1
The Intelligence Man
EP 2
Microworld!
EP 3
A New Green Revolution?
EP 4
Spies in the Wires
EP 5
Valley of the Inca
EP 6
The Conquest of Parasites
EP 7
Reflections on a River
EP 8
A Normal Face
EP 9
Prisoners of Incest
EP 10
Signs of the Apes, Songs of the Whales
EP 11
Professor Bonner and the Slime Moulds
EP 12
The Mind of a Murderer: The Case of the Hillside Strangler
EP 13
The Mind of a Murderer: The Mask of Madness
EP 14
A Cruel Inheritance
EP 15
The Malvern Link
EP 16
Contented Cows and Other Animals
EP 17
Picking Winners
EP 18
The Brain Puzzle
EP 19
Global Village
EP 20
Ivan
EP 21
A Mathematical Mystery Tour
EP 22
Supercharged
Overview
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.