When did Horizon Season 28 Episode 20 air?
Horizon Season 28 Episode 20 aired on June 10, 1991.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 28 · Episode 20
Food For Thought
Jun 10, 1991·1h
This story by Horizon looks at the expanding and controversial area of "smart drugs".
Episode FAQ
Direct answers for episode-level questions and details.
How long is Horizon Season 28 Episode 20?
This episode runs for approximately 60 minutes.
Comments
Comments coming soon
Discuss episodes with other viewers