Horizon looks at the area around Mt. St. Helens 10 years after the volcanic eruption that devastated more 500 square kilometres of forest land in just minutes.
| Title | Horizon - Season 27 Episode 16 : Legacy of a Volcano |
|---|---|
| Alternative Titles | BBC Horizon |
| Subtitle Available |
 ETC.
|
| First Air Date | 1964-02-04 |
| Last Air Date | 2025-10-06 |
| Number of Episodes | 1173 |
| Number of Seasons | 61 |
| Genres | Documentary, |
| Networks | BBC Two, |
| Casts | |
| Plot Keywords | , |
Episodes List
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Horizon Season 27 :Episode 1 Oil Spill Oil Spill
1990-01-08Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 2 Medicine 2000 Medicine 2000
1990-01-15Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 3 Food Irradiation: Would You Buy It? Food Irradiation: Would You Buy It?
1990-01-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 4 From Earth to Miranda From Earth to Miranda
1990-01-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 5 Encounter With Neptune Encounter With Neptune
1990-02-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 6 Guess What's Coming to Dinner? Guess What's Coming to Dinner?
1990-02-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 7 The First 14 Days The First 14 Days
1990-02-19Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 8 The 10,000 Year Test The 10,000 Year Test
1990-03-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 9 Hurricane! Hurricane!
1990-03-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 10 The Britannic Greenhouse The Britannic Greenhouse
1990-03-19Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 11 Cold Fusion Cold Fusion
1990-03-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 12 The Quake of '89 - The Final Warning? The Quake of '89 - The Final Warning?
1990-04-02Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 13 The Sharpest Shot of the Universe The Sharpest Shot of the Universe
1990-04-09Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 14 The Company of Ants and Bees The Company of Ants and Bees
1990-04-23Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 15 The Intelligent Island The Intelligent Island
1990-04-30Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 16 Legacy of a Volcano Legacy of a Volcano
1990-05-14Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 17 Do Cows Make You Mad? Do Cows Make You Mad?
1990-05-21Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 18 The Child Mothers The Child Mothers
1990-06-04Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 19 Signs of Life Signs of Life
1990-06-11Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 27 :Episode 20 AIDS: A Quest for a Cure AIDS: A Quest for a Cure
1990-06-25Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
