When did Horizon Season 6 Episode 18 air?
Horizon Season 6 Episode 18 aired on May 15, 1969.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Sebastian Z. de Ferranti gives the Royal Society lecture for 1969 on technological development.
Direct answers for episode-level questions and details.
Horizon Season 6 Episode 18 aired on May 15, 1969.
This episode runs for approximately 60 minutes.
Comments coming soon
Discuss episodes with other viewers