| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Episode 1 |
February 22, 1976
BBC One
|
30 | |
| S12E02 | Episode 2 |
February 29, 1976
BBC One
|
30 | |
| S12E03 | Episode 3 |
March 7, 1976
BBC One
|
30 | |
| S12E04 | Episode 4 |
March 14, 1976
BBC One
|
30 | |
| S12E05 | Episode 5 |
March 21, 1976
BBC One
|
30 | |
| S12E06 | Episode 6 |
March 28, 1976
BBC One
|
30 | |
| S12E07 | Episode 7 |
April 4, 1976
BBC One
|
30 | |
| S12E08 | Episode 8 |
April 11, 1976
BBC One
|
30 | |
| S12E09 | Episode 9 |
August 6, 1976
BBC One
|
30 | |
| S12E10 | Episode 10 |
August 13, 1976
BBC One
|
30 | |
| S12E11 | Episode 11 |
August 20, 1976
BBC One
|
30 | |
| S12E12 | Episode 12 |
August 27, 1976
BBC One
|
30 | |
| S12E13 |
Episode 13
season finale
|
September 3, 1976
BBC One
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.