| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S1977E01 | A Smile for a Crocodile |
January 7, 1977
BBC Two
|
60 | |
| S1977E02 | The Pill for the People |
January 14, 1977
BBC Two
|
60 | |
| S1977E03 | The Ape That Stood Up |
January 21, 1977
BBC Two
|
60 | |
| S1977E04 | The Human Animal |
February 4, 1977
BBC Two
|
60 | |
| S1977E05 | The Guinea Pig and the Law |
February 18, 1977
BBC Two
|
60 | |
| S1977E06 | Hunters of the Seal |
February 25, 1977
BBC Two
|
60 | |
| S1977E07 | The Red Planet |
March 4, 1977
BBC Two
|
60 | |
| S1977E08 | One of Nature's Hotels |
March 11, 1977
BBC Two
|
60 | |
| S1977E09 | Dawn of the Solar Age |
March 18, 1977
BBC Two
|
60 | |
| S1977E10 | Genetic Roulette |
April 1, 1977
BBC Two
|
60 | |
| S1977E11 | The Amazing Doctor Newton |
July 15, 1977
BBC Two
|
60 | |
| S1977E12 | The Trouble with Medicine |
July 22, 1977
BBC Two
|
60 | |
| S1977E13 | Silent Speech |
July 29, 1977
BBC Two
|
60 | |
| S1977E14 | The Green Machine |
August 5, 1977
BBC Two
|
60 | |
| S1977E15 | Horizon 2002 |
August 26, 1977
BBC Two
|
60 | |
| S1977E16 | The River That Came Clean |
September 2, 1977
BBC Two
|
60 | |
| S1977E17 | Blueprints in the Bloodstream |
September 9, 1977
BBC Two
|
60 | |
| S1977E18 | 40 Years of Murder |
September 16, 1977
BBC Two
|
60 | |
| S1977E19 | Darwin's Dream |
September 23, 1977
BBC Two
|
60 | |
| S1977E20 | The Cry for Help |
September 30, 1977
BBC Two
|
60 | |
| S1977E21 | The Sunspot Mystery |
October 7, 1977
BBC Two
|
60 | |
| S1977E22 | The Rhine's Revenge |
October 21, 1977
BBC Two
|
60 | |
| S1977E23 | Icarus' Children |
December 2, 1977
BBC Two
|
60 | |
| S1977E24 | The Healing Nightmare |
December 9, 1977
BBC Two
|
60 | |
| S1977E25 |
The Great Wine Revolution
season finale
|
December 23, 1977
BBC Two
|
60 |
No artwork of this type.
No artwork of this type.
