Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 7 · Episode 26 ·
All Creatures Great and Small
In this story, Horizon investigates the issue of controversial animal experiments between anti-vivisectionists and scientists.
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Episode 26 of season 7 of Horizon: “All Creatures Great and Small”. Aired 1970-09-28. Watch it online free on ZapFlix.