When did Horizon Season 12 Episode 20 air?
Horizon Season 12 Episode 20 aired on July 14, 1975.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 12 · Episode 20
How Do You Read?
Jul 14, 1975·1h
In this documentary, Horizon reports on the reading process; how it works for the fluent, and how it should be taught.
Episode FAQ
Direct answers for episode-level questions and details.
How long is Horizon Season 12 Episode 20?
This episode runs for approximately 60 minutes.
Comments
Comments coming soon
Discuss episodes with other viewers