When did Horizon Season 7 Episode 22 air?
Horizon Season 7 Episode 22 aired on August 31, 1970.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 7 · Episode 22
Crown of Thorns
Aug 31, 1970·1h
The population explosion of the Crown of Thorns starfish is investigated by Horizon.
Episode FAQ
Direct answers for episode-level questions and details.
How long is Horizon Season 7 Episode 22?
This episode runs for approximately 60 minutes.
Comments
Comments coming soon
Discuss episodes with other viewers