This episode of Horizon is about symbiosis - the close association between two or more species for their mutual benefit.
| Title | Horizon - Season 13 Episode 2 : Intimate Strangers |
|---|---|
| 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 13 :Episode 1 The Transplant Experience The Transplant Experience
1976-01-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 2 Intimate Strangers Intimate Strangers
1976-01-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 3 A Fair Share of What Little We Have A Fair Share of What Little We Have
1976-01-19Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 4 The Incredible Machine The Incredible Machine
1976-01-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 5 King Coal Revived King Coal Revived
1976-02-02Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 6 A Question of Trust A Question of Trust
1976-02-09Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 7 The Case of the Bermuda Triangle The Case of the Bermuda Triangle
1976-02-16Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 8 The Lords of the Labyrinth The Lords of the Labyrinth
1976-02-23Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 9 Inside the Shark Inside the Shark
1976-03-01Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 10 The Chemical Dream The Chemical Dream
1976-03-08Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 11 The Edelin Affair The Edelin Affair
1976-03-15Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 12 The World of Margaret Mead The World of Margaret Mead
1976-03-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 13 The Pathway from Madness The Pathway from Madness
1976-03-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 14 Geronimo's Children Geronimo's Children
1976-04-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 15 The Vision of the Blind The Vision of the Blind
1976-04-12Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 16 A Lesson for Teachers A Lesson for Teachers
1976-04-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 17 Why Did Stuart Die? Why Did Stuart Die?
1976-05-03Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 18 The Children of Peru The Children of Peru
1976-05-17Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 19 Dying Dying
1976-05-24Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 20 A Home Like Ours... A Story of Four Children A Home Like Ours... A Story of Four Children
1976-06-07Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 21 What's Wrong with the Sun? What's Wrong with the Sun?
1976-06-14Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 22 The Bull's Eye War The Bull's Eye War
1976-10-25Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 23 The Hot-Blooded Dinosaurs The Hot-Blooded Dinosaurs
1976-11-01Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 24 Billion Dollar Bubble Billion Dollar Bubble
1976-11-08Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 25 The Selfish Gene The Selfish Gene
1976-11-15Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 26 A Child of Our Own A Child of Our Own
1976-11-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 27 Secrets of a Coral Island Secrets of a Coral Island
1976-11-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 28 The Long Valley The Long Valley
1976-12-06Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 29 Half-Way to 1984 Half-Way to 1984
1976-12-13Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 13 :Episode 30 The Mystery of King Arthur and His Round Table The Mystery of King Arthur and His Round Table
1976-12-20Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
