This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
| Title | Horizon - Season 9 Episode 27 : The Billion-Dollar Marsh |
|---|---|
| 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 9 :Episode 1 The Missing Link The Missing Link
1972-01-03Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 2 Navajo - The Last Red Indians Navajo - The Last Red Indians
1972-01-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 3 How Much Do You Smell? How Much Do You Smell?
1972-01-17Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 4 The Parasite of Paradise The Parasite of Paradise
1972-01-31Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 5 The Day it Rained Periwinkles The Day it Rained Periwinkles
1972-02-07Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 6 Are You Doing This for Me Doctor, or Am I Doing It for You? Are You Doing This for Me Doctor, or Am I Doing It for You?
1972-02-14Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 7 How They Sold Doomsday How They Sold Doomsday
1972-02-21Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 8 For Love or Money? For Love or Money?
1972-02-28Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 9 Whales, Dolphins and Men Whales, Dolphins and Men
1972-03-06Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 10 What Is Race? What Is Race?
1972-03-13Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 11 The Man-Made Lakes in Africa The Man-Made Lakes in Africa
1972-03-20Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 12 Survival in the Sahara Survival in the Sahara
1972-03-27Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 13 Mind Over Body Mind Over Body
1972-04-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 14 Out of Volcanoes Out of Volcanoes
1972-04-17Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 15 The Wizard Who Spat on the Floor The Wizard Who Spat on the Floor
1972-05-01Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 16 Rail Crash Rail Crash
1972-05-08Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 17 Do You Dig National Parks? Do You Dig National Parks?
1972-05-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 18 Sorry I Opened My Mouth Sorry I Opened My Mouth
1972-06-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 19 The Way We Move The Way We Move
1972-07-03Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 20 The Life that Lives on Man The Life that Lives on Man
1972-07-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 21 Sex Can Be a Problem Sex Can Be a Problem
1972-07-24Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 22 The Surgery of Violence The Surgery of Violence
1972-07-31Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 23 Hospital, 1922 Hospital, 1922
1972-10-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 24 When Polar Bears Swam in the Thames When Polar Bears Swam in the Thames
1972-10-19Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 25 The Making of the English Landscape The Making of the English Landscape
1972-10-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 26 Shadows of Bliss Shadows of Bliss
1972-11-02Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 27 The Billion-Dollar Marsh The Billion-Dollar Marsh
1972-11-09Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 28 Do You Sincerely Want a Long Life? Do You Sincerely Want a Long Life?
1972-11-16Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 29 The Making of a Natural History Film The Making of a Natural History Film
1972-11-23Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 30 Fire Fire
1972-11-30Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 31 Alaskan Pipe-Dream Alaskan Pipe-Dream
1972-12-07Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 32 Their Life in Your Hands Their Life in Your Hands
1972-12-21Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 9 :Episode 33 Navigating Europe Navigating Europe
1972-12-28Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
