When did Horizon Season 15 Episode 24 air?
Horizon Season 15 Episode 24 aired on December 29, 1978.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon takes a look at the changing behaviour of individual animals in a herd of red deer on the Isle of Rhum.
Direct answers for episode-level questions and details.
Horizon Season 15 Episode 24 aired on December 29, 1978.
This episode runs for approximately 60 minutes.
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