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Horizon

BBC TwoDocumentary · 62 seasons

7.5TMDB

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Season 31

Questions

Where can I watch Horizon?

Horizon streams on PBS.

How many episodes are in Season 31?

Season 31 has 21 episodes.

Episode roomHorizon S31 E16

Horizon · Season 31 · Episode 16

Deaf Whale, Dead Whale

Monday, November 7 · 60 min

Horizon investigates how mankind is now polluting the world's oceans with extreme noise caused by many sources such explosions and super tankers.

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