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Horizon

BBC TwoDocumentary · 62 seasons

7.5TMDB

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Season 28

Questions

Where can I watch Horizon?

Horizon streams on PBS.

How many episodes are in Season 28?

Season 28 has 23 episodes.

Episode roomHorizon S28 E8

Horizon · Season 28 · Episode 8

The Day the Earth Melted

Monday, February 25 · 60 min

This episode of Horizon examines 20 years of research which has led to a new theory on how the earth's crust was made.

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