When did Horizon Season 12 Episode 24 air?
Horizon Season 12 Episode 24 aired on August 11, 1975.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 12 · Episode 24
Cannabis
Aug 11, 1975·1h
Horizon takes a look at the history of cannabis and the research on the effects of smoking marijuana.
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Direct answers for episode-level questions and details.
How long is Horizon Season 12 Episode 24?
This episode runs for approximately 60 minutes.
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