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Horizon

BBC TwoDocumentary · 62 seasons

7.5TMDB

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Season 4

Questions

Where can I watch Horizon?

Horizon streams on PBS.

How many episodes are in Season 4?

Season 4 has 23 episodes.

Episode roomHorizon S4 E8

Horizon · Season 4 · Episode 8

The Shape of War to Come

Tuesday, April 25 · 60 min

Will the next major war be fought with biological and chemical weapons? What are the available weapons? What is the horror they can cause? Is there any moral justification for their use?

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