This episode of Horizon explains how our body fights infections and cancers and brings us up-to-date on recent research in immunology.
| Title | Horizon - Season 11 Episode 1 : A Matter of Self-Defense |
|---|---|
| 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 11 :Episode 1 A Matter of Self-Defense A Matter of Self-Defense
1974-01-07Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 2 Bird Brain - The Mystery of Bird Navigation Bird Brain - The Mystery of Bird Navigation
1974-01-14Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 3 Never Too Late to Learn Never Too Late to Learn
1974-01-21Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 4 The Great Fish Hunt The Great Fish Hunt
1974-01-28Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 5 Pedal Power Pedal Power
1974-02-04Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 6 The Writing on the Wall The Writing on the Wall
1974-02-11Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 7 Where Did the Colorado Go? Where Did the Colorado Go?
1974-02-18Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 8 The Future Goes Boom The Future Goes Boom
1974-03-04Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 9 Fusion: The Energy Promise Fusion: The Energy Promise
1974-03-11Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 10 The First Ten Years The First Ten Years
1974-04-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 11 This Yankee Dodge Beats Mesmerism Hollow This Yankee Dodge Beats Mesmerism Hollow
1974-04-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 12 The Hunting of the Quark The Hunting of the Quark
1974-05-06Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 13 A Noah's Ark for Europe A Noah's Ark for Europe
1974-05-13Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 14 Bridges: When It Comes to the Crunch Bridges: When It Comes to the Crunch
1974-06-03Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 15 Search for Life Search for Life
1974-06-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 16 The Secrets of Sleep The Secrets of Sleep
1974-06-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 17 Who Needs Skills? Who Needs Skills?
1974-06-24Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 18 Hills of Promise Hills of Promise
1974-07-01Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 19 The Race for the Double Helix The Race for the Double Helix
1974-07-08Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 20 The Immigrant Doctors The Immigrant Doctors
1974-07-15Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 21 Mines, Minerals and Men Mines, Minerals and Men
1974-07-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 22 What Price Steak? What Price Steak?
1974-07-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 23 Listen and Be Loyal Listen and Be Loyal
1974-08-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 24 Adam or Eve? Adam or Eve?
1974-08-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 25 An Unholy Scramble An Unholy Scramble
1974-09-02Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 26 Do as You Are Told Do as You Are Told
1974-10-28Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 27 The First Signs of Washoe The First Signs of Washoe
1974-11-04Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 28 The Other Way The Other Way
1974-11-11Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 29 The Greatest Advance Since the Wheel? The Greatest Advance Since the Wheel?
1974-11-25Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 30 Joey Joey
1974-12-09Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 31 The Neglected Harvest The Neglected Harvest
1974-12-16Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 32 How on Earth Did They Do That? How on Earth Did They Do That?
1974-12-23Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 11 :Episode 33 The Lysenko Affair The Lysenko Affair
1974-12-30Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
