S04 · E20

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S04 · E20

Air Safety: The Unknown Factor

Nov 17, 19671h

Horizon investigates air navigation and flight safety.

‹ E19 All episodes E21 ›

Episodes

Migraine

Mar 14, 1967 · 1h

S04 · E06

How Safe Is Surgery?

Mar 28, 1967 · 1h

S04 · E07

Sleep and Dreams

Apr 11, 1967 · 1h

S04 · E08

The Shape of War to Come

Apr 25, 1967 · 1h

S04 · E09

Memory

May 9, 1967 · 1h

S04 · E10

Masters of the Desert

May 23, 1967 · 1h

S04 · E11

Cancer - The Search for the Virus

Jun 6, 1967 · 1h

S04 · E12

Cancer - The Smoker's Gamble

Jun 20, 1967 · 1h

S04 · E13

Science and the Supernatural

Jul 4, 1967 · 1h

S04 · E14

Hypnosis

Jul 18, 1967 · 1h

S04 · E15

The War of the Boffins

Sep 12, 1967 · 1h

S04 · E17

Aspects of Alcohol

Sep 26, 1967 · 1h

S04 · E18

Lords of the Sea

Oct 10, 1967 · 1h

S04 · E19

Will Art Last?

Oct 24, 1967 · 1h

S04 · E20